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Cert III Hairdressing study materials
Cert III Hairdressing study resources

Cert III Hairdressing practice questions

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Question 1Work health and safety, hygiene and infection control in the salon

A client arrives at the salon with an itchy, red scalp and visible flaking patches. What is the most appropriate action for the hairdresser to take before beginning the service?

  1. Wash the client's hair twice and then continue with the cut
  2. Continue as normal because scalp conditions are not contagious
  3. Decline the service and refer the client to a medical practitioner Correct answer.
  4. Proceed with the service but apply extra conditioner to soothe the scalp

Explanation

A hairdresser is not qualified to diagnose skin or scalp conditions, and some conditions such as fungal infections can be contagious. The safe and legal approach is to politely decline the service and advise the client to see a doctor, protecting both the client and salon staff.

Question 2Work health and safety, hygiene and infection control in the salon

Which of the following is the correct sequence for hand washing before a salon service?

  1. Wet hands, apply soap, rub for five seconds, then air dry
  2. Apply soap to dry hands, rinse briefly, then dry on a shared towel
  3. Rinse hands quickly, dry them, then apply hand sanitiser only
  4. Wet hands, apply soap, rub for at least 20 seconds, rinse, dry with a clean towel Correct answer.

Explanation

Effective hand washing requires wetting the hands first, applying soap and rubbing all surfaces for at least 20 seconds before rinsing and drying with a clean single-use towel. This sequence removes transient microorganisms and reduces cross-contamination between clients.

Question 3Work health and safety, hygiene and infection control in the salon

A bottle of disinfectant concentrate states it must be diluted 1:10 with water. A staff member needs 2 litres of working solution. How much concentrate should be measured?

  1. 1000 mL
  2. 200 mL Correct answer.
  3. 400 mL
  4. 100 mL

Explanation

A 1:10 dilution means one part concentrate to nine parts water, giving ten parts total. For 2 litres (2000 mL) of solution, dividing by ten gives 200 mL of concentrate, which is then made up to volume with water.

Question 4Work health and safety, hygiene and infection control in the salon

Which statement best describes the correct use of personal protective equipment when mixing bleach-based disinfectant?

  1. Gloves and eye protection should be worn, with adequate ventilation Correct answer.
  2. No protection is needed because disinfectants are household products
  3. Gloves are optional if the task is completed quickly
  4. Only a face mask is required for mixing chemicals

Explanation

The safety data sheet and product label for bleach-based disinfectants specify gloves and eye protection, and the area must be well ventilated to avoid inhaling fumes. Personal protective equipment must be worn regardless of how brief the task is.

Question 5Work health and safety, hygiene and infection control in the salon

A hairdresser notices a frayed electrical cord on a blow dryer while a client is waiting. What is the correct action?

  1. Wrap the cord in tape and finish the client's service
  2. Use the dryer at a lower heat setting to reduce risk
  3. Tag the dryer out of service and report it to the supervisor Correct answer.
  4. Ask the client to hold the cord away from the socket

Explanation

Damaged electrical equipment must be taken out of service immediately, tagged so no one else uses it, and reported so it can be repaired or replaced. This prevents electric shock and fire risk in a wet salon environment.

Question 6Work health and safety, hygiene and infection control in the salon

Under work health and safety legislation, which duty applies to a hairdressing employee?

  1. Writing the salon's emergency evacuation plan
  2. Taking reasonable care of their own safety and that of others Correct answer.
  3. Arranging insurance cover for the salon premises
  4. Providing all safety training and equipment at their own cost

Explanation

Work health and safety law places a duty on workers to take reasonable care for their own health and safety and to ensure their acts or omissions do not harm others. Duties such as providing training, equipment and safe systems of work rest with the employer or person conducting the business.

Question 7Work health and safety, hygiene and infection control in the salon

What is the recommended minimum contact time for a hospital-grade disinfectant used on combs and scissors after cleaning?

  1. The length of the client's haircut appointment
  2. Until the tools look visibly wet
  3. The time stated on the product label and safety data sheet Correct answer.
  4. Ten seconds of immersion in the solution

Explanation

Disinfectants only work when items are immersed or wiped for the contact time specified by the manufacturer on the label and safety data sheet. Using a shorter time may not kill bacteria, fungi and viruses, so the label must always be followed.

Question 8Work health and safety, hygiene and infection control in the salon

A client has a small cut on their scalp from scratching. Which practice best reduces infection risk during the service?

  1. Apply a styptic stick and continue without other precautions
  2. Skip shampooing and cut the hair dry
  3. Use the same cape as the previous client to save time
  4. Cover the area with a waterproof dressing before starting and avoid contact Correct answer.

Explanation

Open wounds should be protected with a waterproof dressing so blood and bodily fluids are contained and cross-contamination is prevented. Tools and hands should also be managed carefully and any blood exposure handled under standard precautions.

Question 9Work health and safety, hygiene and infection control in the salon

Why should a hairdresser avoid using a shared towel to dry their hands between clients?

  1. Towels remove the natural oils from the skin
  2. Shared towels are prohibited in all salons by law
  3. Shared towels are too expensive to launder regularly
  4. Damp fabric supports microbial growth and spreads contamination Correct answer.

Explanation

Damp, reused towels provide a moist environment where microorganisms survive and multiply, and they transfer contamination from one pair of hands to the next. Single-use paper towels or a clean towel per use are recommended for hand drying.

Question 10Work health and safety, hygiene and infection control in the salon

A staff member spills disinfectant on their forearm and the skin becomes red and irritated. What should they do first?

  1. Apply a moisturising cream and continue working
  2. Rinse the area with plenty of water and check the safety data sheet Correct answer.
  3. Wait to see whether the redness settles on its own
  4. Wipe the area with a dry paper towel only

Explanation

Chemical exposure to skin should be flushed immediately with plenty of running water, and first aid directions on the safety data sheet must be followed. Any incident should then be recorded and reported so the cause can be addressed.

Question 11Work health and safety, hygiene and infection control in the salon

Which of the following best describes standard precautions in a salon setting?

  1. Disinfecting tools only at the end of each working day
  2. Wearing gloves only when a client discloses an infection
  3. Treating every client's blood and body fluids as potentially infectious Correct answer.
  4. Using antiseptic hand gel instead of washing hands after every service

Explanation

Standard precautions mean treating all blood and body fluids as potentially infectious, regardless of whether a client discloses an infection. This approach protects staff and clients because many carriers are unaware of or do not disclose their status.

Question 12Work health and safety, hygiene and infection control in the salon

After sweeping up hair from the floor, what is the safest way to dispose of it before the next client is seated?

  1. Place sweepings in a lined bin and wash hands afterwards Correct answer.
  2. Push the hair under the styling unit to keep the floor clear
  3. Leave the sweepings in a corner until closing time
  4. Blow the hair outside using the blow dryer

Explanation

Sweepings should be placed in a lined bin promptly and hands washed afterwards, since hair and floor debris carry dust and microorganisms. Keeping floors clear between clients also reduces slip and trip hazards.

Question 13Work health and safety, hygiene and infection control in the salon

A hairdresser develops a rash on their hands after several weeks of frequent wet work and glove use. What is the most appropriate response?

  1. Borrow a colleague's medicated cream and keep working
  2. Report it to the supervisor and seek advice about skin checks and controls Correct answer.
  3. Switch to using no gloves and continue as before
  4. Ignore it until the skin becomes broken and painful

Explanation

Occupational skin problems such as contact dermatitis should be reported early so that controls, such as reduced wet work, correct gloves and moisturising, can be put in place. Early reporting prevents the condition from becoming chronic and may be a notifiable workplace issue.

Question 14Work health and safety, hygiene and infection control in the salon

Which practice best prevents cross-contamination when using clippers on multiple clients?

  1. Remove visible hair and disinfect the blade between every client Correct answer.
  2. Wipe the blade with a dry cloth only
  3. Brush the blade clean and apply oil between clients
  4. Use the same blade guard for the whole day

Explanation

Clipper blades can contact skin and occasionally draw blood, so visible hair and debris must be removed and the blade disinfected between every client. Dry brushing or oiling alone does not kill microorganisms.

Question 15Work health and safety, hygiene and infection control in the salon

A salon uses a colour product for the first time. Which document should staff consult to find first aid measures, handling precautions and disposal information?

  1. The product's safety data sheet Correct answer.
  2. The salon's appointment book
  3. The manufacturer's colour chart
  4. The client's consultation record

Explanation

A safety data sheet provides information on hazards, safe handling, first aid, spill response and disposal for a hazardous chemical. It must be readily accessible to workers and consulted before using any new product.

Question 16Work health and safety, hygiene and infection control in the salon

A client faints in the salon chair during a colour service. After making the area safe and calling for help, what should staff do while waiting for an ambulance?

  1. Continue applying colour while checking on them
  2. Sit the client upright and give them water
  3. Leave the client alone to fetch a colour chart
  4. Lay the client flat, raise their legs and monitor breathing Correct answer.

Explanation

For a faint, the client should be laid flat with legs elevated to improve blood flow to the brain, and breathing should be monitored until help arrives. Continuing the service is unsafe and would delay necessary first aid.

Question 17Work health and safety, hygiene and infection control in the salon

Which of the following is the most effective way to manage the risk of slips in a salon?

  1. Allowing staff to wear open-toed fashion shoes
  2. Placing warning signs after someone has already slipped
  3. Cleaning spills immediately and keeping floors dry between clients Correct answer.
  4. Scheduling floor cleaning only during quiet periods

Explanation

Slip risks are best controlled by cleaning spills immediately and keeping floors dry, combined with appropriate non-slip footwear. Warning signs are a secondary control and do not remove the hazard itself.

Question 18Work health and safety, hygiene and infection control in the salon

A hairdresser is asked to use a disinfectant in a concentration higher than the label recommends, to save time. What is the best response?

  1. Use the stronger mix only on metal tools
  2. Use the stronger mix but open a window
  3. Double the concentration to guarantee all pathogens are killed
  4. Follow the label, because stronger solutions may harm staff and damage tools Correct answer.

Explanation

Disinfectants must be used at the concentration specified by the manufacturer, because stronger solutions do not necessarily improve efficacy and can increase chemical hazards and damage equipment. Overdosing also wastes product and may corrode metal tools.

Question 19Work health and safety, hygiene and infection control in the salon

A staff member sustains a needlestick-type injury from contaminated scissors while cleaning tools. Which sequence of actions is most appropriate?

  1. Encourage bleeding, wash with soap and water, cover the wound, and report immediately Correct answer.
  2. Rinse with disinfectant, apply a dressing, and record the incident at week's end
  3. Ignore the injury if the skin is only scratched and continue cleaning tools
  4. Wash with soap, apply a bandage, finish the shift and report the next day

Explanation

After a sharps or contaminated tool injury, the wound should be encouraged to bleed, washed thoroughly with soap and water, covered with a waterproof dressing, and reported immediately so medical advice can be sought. Prompt reporting allows assessment of exposure risk and any required follow-up.

Question 20Work health and safety, hygiene and infection control in the salon

Which combination of controls best reflects the hierarchy of risk control when a salon identifies fumes from acrylic nail products as a hazard?

  1. Place a warning sign at the entrance and take no other action
  2. Rely on staff to open a window when fumes become noticeable
  3. Provide respirators to all staff and continue using the products in a closed room
  4. Eliminate or substitute the product, then use local exhaust ventilation and administrative controls Correct answer.

Explanation

The hierarchy of control ranks elimination and substitution highest, followed by engineering controls such as local exhaust ventilation, then administrative controls and finally personal protective equipment. Applying higher-order controls first gives the most reliable protection.

Question 21Client consultation, communication and service planning

During a client consultation, which action best demonstrates active listening?

  1. Summarising your own training experience to build trust
  2. Writing the appointment time on the client's record card
  3. Showing the client a colour chart while they speak
  4. Repeating back the client's main concerns in your own words Correct answer.

Explanation

Active listening involves paraphrasing or reflecting back what the client has said so they feel heard and you can confirm your understanding. It focuses attention on the client's words rather than on your own agenda or unrelated tasks.

Question 22Client consultation, communication and service planning

A client arrives for a colour service and mentions they had a reaction to hair dye two years ago. What is the most appropriate first step?

  1. Proceed with the service using a gentler formula
  2. Recommend the client return another day without further discussion
  3. Apply a patch test immediately and continue if no redness appears
  4. Ask detailed questions about the reaction and record the information Correct answer.

Explanation

Any reported reaction is a significant health indicator that must be explored before deciding on service. Gathering details such as symptoms, timing and the product involved allows you to assess risk and record it accurately, which supports safe decision-making and duty of care.

Question 23Client consultation, communication and service planning

Which question is most effective for identifying a client's desired outcome during consultation?

  1. Have you had your hair cut before?
  2. Do you want your hair shorter?
  3. What would you like your hair to look like when you leave today? Correct answer.
  4. Would you say your hair is difficult to manage?

Explanation

Open questions that invite description of the desired end result give the client freedom to explain their expectations. This produces richer information than closed questions that can be answered with a simple yes or no.

Question 24Client consultation, communication and service planning

A client with very curly hair asks for a blunt straight-cut fringe. Which response best reflects professional consultation?

  1. Book the client with a different stylist who specialises in curls
  2. Cut the fringe exactly as requested without comment
  3. Refuse the request and suggest a different style entirely
  4. Explain how the curl pattern will affect the result and discuss alternatives Correct answer.

Explanation

Professional consultation means informing the client about how hair characteristics will influence the finished look and negotiating a realistic plan together. The client retains the decision, but they make it with accurate information about likely outcomes.

Question 25Client consultation, communication and service planning

What is the primary purpose of completing a client record card at the first visit?

  1. To create a reference for consistent future services and safety Correct answer.
  2. To calculate the price of the appointment in advance
  3. To satisfy insurance requirements only
  4. To advertise additional services the salon offers

Explanation

A client record card documents history, formulations, allergies and preferences so future services are consistent and safe. It is a working professional document, not merely a compliance form or a pricing tool.

Question 26Client consultation, communication and service planning

During consultation, a client repeatedly looks at the floor and gives very short answers. What is the most suitable interpretation and response?

  1. The client is ready to proceed, so begin the service immediately
  2. The client may be uncomfortable, so use open questions and a relaxed tone to encourage them Correct answer.
  3. The client is uninterested, so end the consultation quickly
  4. The client is hiding information, so press them for details

Explanation

Closed body language and brief answers often signal discomfort or uncertainty rather than disinterest. Adjusting your communication style to a calm, open approach helps the client feel safe enough to share what they want.

Question 27Client consultation, communication and service planning

Which term describes the hair analysis step where you assess porosity by feeling how the hair responds to moisture?

  1. Growth pattern mapping
  2. Elasticity testing
  3. Density evaluation
  4. Porosity assessment Correct answer.

Explanation

Porosity refers to the hair's ability to absorb and retain moisture, and it can be assessed by observing how quickly hair takes up water or product. Elasticity, density and growth pattern are separate characteristics assessed by different methods.

Question 28Client consultation, communication and service planning

A client requests a dramatic colour change from dark brown to platinum blonde in one session. What is the most professional way to plan the service?

  1. Tell the client the result is impossible and offer no alternatives
  2. Agree to the full change in one appointment to meet expectations
  3. Explain the stages required and agree a realistic multi-appointment plan Correct answer.
  4. Apply the strongest lightener available to speed up the process

Explanation

Large colour changes usually require multiple stages to protect hair integrity and achieve an even result. Explaining the process and agreeing a staged plan manages expectations while keeping the client informed and involved in decisions.

Question 29Client consultation, communication and service planning

Which piece of information is essential to confirm with the client before beginning a chemical service?

  1. Their preferred appointment day
  2. Their history of previous chemical treatments Correct answer.
  3. Their preferred salon music
  4. The name of their previous stylist

Explanation

Previous chemical treatments such as relaxers, colours or bleaches affect how the hair will respond to new products and create risks of adverse reactions or damage. This history must be established before any chemical service begins.

Question 30Client consultation, communication and service planning

A client says they want 'something different' but cannot describe it. Which approach best develops the consultation?

  1. Ask the client to return once they have decided
  2. Use visual references and ask what they like and dislike about them Correct answer.
  3. Recommend the same style as last time to be safe
  4. Choose a trendy style and begin cutting

Explanation

Visual references give clients a concrete way to express preferences when words fail. Asking what they like and dislike about each image narrows the options and builds a shared understanding of the goal.

Question 31Client consultation, communication and service planning

What does a patch test primarily check for?

  1. A client's potential allergic sensitivity to a product Correct answer.
  2. The hair's ability to hold curl
  3. The scalp's natural oil level
  4. The correct processing time for a colour

Explanation

A patch test applies a small amount of product to the skin to detect an allergic sensitivity before a full service. It does not measure hair behaviour, processing time or scalp oiliness.

Question 32Client consultation, communication and service planning

A client mentions they are being treated for a scalp condition. What is the most appropriate action?

  1. Recommend a medicated shampoo from the salon range
  2. Proceed with the service and avoid the affected area
  3. Advise the client to seek medical advice before chemical or scalp services Correct answer.
  4. Apply a conditioning treatment to soothe the scalp

Explanation

Scalp conditions under medical treatment fall outside a hairdresser's scope of practice and may be aggravated by salon products. Referring the client to their medical practitioner protects their health and keeps you within professional boundaries.

Question 33Client consultation, communication and service planning

Which communication behaviour best supports a client who is anxious about their first colour service?

  1. Complete the service quickly to reduce their time in the chair
  2. Avoid discussing the process so they do not worry
  3. Explain each step simply and check in with the client as you go Correct answer.
  4. Use technical jargon to demonstrate expertise

Explanation

Anxious clients are reassured by clear, plain-language explanations and regular check-ins that give them a sense of control. Transparency builds trust and reduces uncertainty about what will happen next.

Question 34Client consultation, communication and service planning

When recording a colour formula on a client's record card, which detail is most important to include for future consistency?

  1. The stylist's opinion of the result
  2. The brand of the client's shampoo
  3. The client's preferred refreshment
  4. The exact product, ratio, developer strength and processing time Correct answer.

Explanation

Accurate reproduction of a colour depends on knowing the exact product, mixing ratio, developer strength and timing. These details allow the same result to be repeated or adjusted predictably at the next visit.

Question 35Client consultation, communication and service planning

A client asks for a style that you believe will not suit their face shape. What is the best professional approach?

  1. Complete the cut as requested without offering an opinion
  2. Perform a different style that you think suits them better
  3. Refuse to perform the service unless they change their mind
  4. Explain your concerns, show alternatives and let the client decide Correct answer.

Explanation

Professional advice involves sharing your expertise clearly while respecting the client's right to choose. Offering alternatives with reasoning allows an informed decision rather than imposing your view or staying silent.

Question 36Client consultation, communication and service planning

Which factor is most relevant when assessing a client's hair density during consultation?

  1. The number of hairs per square centimetre of scalp Correct answer.
  2. The direction of hair growth at the crown
  3. The diameter of an individual hair strand
  4. The ability of the hair to stretch before breaking

Explanation

Density describes how many hairs grow per unit area of the scalp, giving an impression of thickness or thinness. Strand diameter, growth direction and stretch are separate characteristics assessed in different ways.

Question 37Client consultation, communication and service planning

A client with a limited budget wants both a colour and a cut. What is the most helpful consultation approach?

  1. Recommend the most expensive option available
  2. Suggest they return when they can afford both services
  3. Discuss priorities and agree a plan that fits their budget Correct answer.
  4. Perform both services and present the full bill afterwards

Explanation

Budget is a legitimate part of service planning and should be discussed openly so the client can prioritise. Agreeing a plan that fits their means maintains trust and avoids awkwardness at payment.

Question 38Client consultation, communication and service planning

What is the main reason for confirming the client's understanding at the end of a consultation?

  1. To fill the remaining appointment time
  2. To demonstrate your product knowledge
  3. To meet the salon's record-keeping quota
  4. To ensure both parties agree on the plan before the service starts Correct answer.

Explanation

Confirming understanding verifies that the client and stylist share the same expectations about the service, cost and outcome. This prevents misunderstandings and provides an opportunity to adjust the plan before any work begins.

Question 39Client consultation, communication and service planning

A client becomes upset about the price quoted after the service. What is the best way to reduce this risk in future consultations?

  1. Add extra services to increase the value delivered
  2. Quote the price at the start and confirm the client agrees Correct answer.
  3. Offer a discount only after the service is complete
  4. Avoid mentioning price until the client asks

Explanation

Confirming the price before the service gives the client the chance to agree or adjust the plan, which prevents billing disputes. Transparency about cost is a core part of professional consultation.

Question 40Client consultation, communication and service planning

Which behaviour best demonstrates respect for client confidentiality in the salon?

  1. Leaving record cards on the reception desk for anyone to read
  2. Discussing a client's personal details with colleagues in the staffroom
  3. Posting before-and-after photos without asking permission
  4. Keeping client information private and sharing it only on a need-to-know basis Correct answer.

Explanation

Confidentiality requires that personal and service information is shared only with those who need it to deliver safe care. Casual discussion, public posting and visible records all breach the client's privacy.

Question 41Client consultation, communication and service planning

A client's hair feels rough and tangles easily after repeated bleaching. Which consultation conclusion is most appropriate?

  1. The hair is naturally coarse and requires stronger products
  2. The hair has high elasticity and can tolerate more lightening
  3. The hair shows signs of damage and needs a restorative plan before further chemical work Correct answer.
  4. The hair has low porosity and repels moisture

Explanation

Rough texture and frequent tangling after bleaching are typical signs of compromised cuticle and reduced elasticity. The responsible plan is to restore condition before considering further chemical services, which also protects the client's long-term hair health.

Question 42Client consultation, communication and service planning

During a consultation a client discloses a medical condition that could affect the service. What should the stylist do with this information?

  1. Ignore it because it is not hair related
  2. Record it confidentially and factor it into the service plan Correct answer.
  3. Share it with other clients as a cautionary example
  4. Ask the client to sign a waiver and proceed regardless

Explanation

Relevant medical information must be recorded confidentially and used to guide safe service decisions. It may influence product choice, timing or whether the service should proceed at all.

Question 43Client consultation, communication and service planning

Which consultation question best uncovers a client's hair care routine at home?

  1. Do you use conditioner?
  2. Is your hair easy to manage?
  3. Walk me through how you usually wash and style your hair each week Correct answer.
  4. Do you wash your hair often?

Explanation

An open question inviting the client to describe their routine reveals frequency, products, heat use and habits in detail. Closed questions capture only limited yes or no information and miss important context.

Question 44Client consultation, communication and service planning

A returning client's record card shows a colour formula that previously caused slight scalp irritation. What is the safest consultation decision?

  1. Apply the colour without mentioning the previous reaction
  2. Repeat the same formula because the irritation was mild
  3. Increase the developer strength to shorten contact time
  4. Review the history, discuss the reaction and modify or refer before proceeding Correct answer.

Explanation

A documented reaction is a warning that must be reviewed and discussed with the client before any repeat service. Modifying the plan or referring for medical advice reduces the risk of a more severe reaction.

Question 45Shampooing, conditioning and scalp and hair treatments

What is the primary purpose of the wetting stage during a shampoo service?

  1. To create a rich lather that lifts product residue
  2. To remove surface oils and debris before shampoo is applied Correct answer.
  3. To test the client's scalp sensitivity to hot water
  4. To open the cuticle so colour penetrates evenly

Explanation

Wetting the hair thoroughly before shampooing loosens and lifts surface oils, dust and styling residue so the shampoo can work efficiently. It also dilutes the shampoo and allows even distribution across the scalp and hair. Skipping this step means more shampoo is needed and cleansing is uneven.

Question 46Shampooing, conditioning and scalp and hair treatments

A client with a dry, tight-feeling scalp and fine hair is having a shampoo. Which shampoo type is most suitable?

  1. A sulphate-free moisturising shampoo Correct answer.
  2. A medicated anti-dandruff shampoo
  3. A volumising shampoo with strong surfactants
  4. A clarifying shampoo for heavy build-up

Explanation

A dry, tight scalp suggests moisture loss, and fine hair benefits from gentle cleansing that does not strip or weigh it down. A mild, sulphate-free moisturising formula cleanses without aggravating dryness. Strong surfactants or clarifying products would further deplete the scalp.

Question 47Shampooing, conditioning and scalp and hair treatments

Why is the scalp massaged during shampooing rather than the hair lengths?

  1. Massage removes split ends from the hair ends
  2. Massage increases blood circulation and loosens sebum at the follicle Correct answer.
  3. Massage speeds up the drying time of the hair shaft
  4. Massage prevents colour fading along the mid-lengths

Explanation

Manipulation during shampooing should focus on the scalp, where sebum, dead cells and product accumulate. Gentle massage stimulates circulation and helps lift debris around the follicles. The hair lengths are cleansed by the runoff of lather and need far less friction.

Question 48Shampooing, conditioning and scalp and hair treatments

What is the main function of a conditioner's cationic surfactants?

  1. They swell the hair shaft to increase volume
  2. They bind to negatively charged sites on hair, smoothing the cuticle Correct answer.
  3. They neutralise the hair's pH after shampooing
  4. They create lather to lift residual shampoo

Explanation

Hair carries a negative surface charge, particularly after shampooing. Cationic surfactants carry a positive charge and adsorb onto these sites, reducing friction and smoothing the cuticle so hair feels softer and combs more easily. This is the core conditioning mechanism.

Question 49Shampooing, conditioning and scalp and hair treatments

Which client should receive a scalp treatment rather than a hair treatment?

  1. A client with chemically damaged mid-lengths
  2. A client with dry, brittle hair ends
  3. A client with a flaky, itchy scalp Correct answer.
  4. A client with faded colour on the ends

Explanation

Scalp treatments target the skin of the scalp, addressing concerns such as flaking, itching, excess oil or irritation. Hair treatments are formulated for the shaft and address damage, dryness or colour loss. Matching the product to the area of concern is the guiding principle.

Question 50Shampooing, conditioning and scalp and hair treatments

During a shampoo, a client reports stinging and the scalp appears red. What is the correct immediate action?

  1. Apply more shampoo to dilute the product
  2. Massage the area firmly to disperse the product
  3. Continue rinsing thoroughly with cool water and reassess Correct answer.
  4. Increase the water temperature to flush the product

Explanation

Stinging and redness indicate irritation or a reaction, so the priority is to remove the product quickly with cool, running water and then reassess the client. Cool water soothes and reduces vasodilation. Further product, heat or friction would aggravate the reaction.