LA Esthetician common mistakes
LA Esthetician · Understand the traps and how to avoid them.
Scrubbing implements with a brush and hot water and calling them clean, then reusing them without an EPA-registered hospital-grade disinfectant contact step at the labeled dilution and full contact time.
Candidates conflate cleaning (removing visible debris) with disinfection (destroying pathogens). They also shorten the soak time because the client is waiting, and they eyeball the concentrate instead of measuring it.
What to do instead
Memorize the sequence as a fixed chain: clean with soap and water, dry, then immerse or wipe with an EPA-registered hospital-grade disinfectant mixed at the label dilution for the label contact time, then store in a labeled clean container. Practice stating a specific product class and time, and note that porous items and those that cannot be disinfected are single-use.
Treating hand washing as a quick rinse between clients and skipping it after glove removal or after touching the face, phone, or doorknob mid-service.
Candidates underestimate how much of the exam's infection-control content is basic hand hygiene, and they assume gloves replace washing.
What to do instead
Anchor the rule: wash with soap and running water for at least 20 seconds before and after each client, after removing gloves, after restroom use, and after touching anything contaminated. Gloves are not a substitute for hand washing. Be able to state when an alcohol-based sanitizer is acceptable (hands not visibly soiled) versus when soap and water is required.
Confusing the layers of the epidermis and where melanocytes, keratinocytes, and Langerhans cells sit, or describing the dermis as the site of keratinization.
The epidermis has five layers with similar-sounding names (stratum basale, spinosum, granulosum, lucidum, corneum), and candidates learn them as a list rather than as a progression with a function.
What to do instead
Build a single mental story: mitosis in the stratum basale, cells pushed upward, keratin produced as they flatten, and dead keratin-filled corneocytes shed from the stratum corneum. Attach each named cell to its job and layer: melanocytes in the basale produce melanin, Langerhans cells are immune defenders, and fibroblasts in the dermis make collagen and elastin.
Describing the skin as a single uniform organ and failing to connect a client's visible symptom to the correct depth or structure (for example blaming dryness on the dermis or expecting a surface product to change the dermis).
Candidates study anatomy and skin analysis separately, so they cannot translate a finding like flaking, redness, or loss of firmness into the structure responsible.
What to do instead
For each finding, name the layer and structure involved: flaking and tightness point to the stratum corneum barrier; loss of firmness, lines, and sagging point to dermal collagen and elastin; redness and flushing point to dermal blood vessels. Then state what a topical esthetic treatment can and cannot reach.
Performing a skin analysis without a proper intake, or proceeding with a service on skin that shows signs of infection, open lesions, or a condition outside the esthetician's scope instead of referring out.
Candidates want to be helpful and fear losing the client, and they have not practiced the language for declining or modifying a service.
What to do instead
Use a fixed intake sequence: health history and medications, allergies, recent waxing, peels, retinoids, and sun exposure, then visual and tactile analysis under good light. Memorize the referral list (undiagnosed rashes, impetigo, herpes simplex lesions, suspicious moles, severe cystic acne) and rehearse a neutral script for declining the service and referring to a physician.
Applying the same cleansing, exfoliation, and massage routine to every client, including sensitive, acne-prone, or mature skin, without adjusting products, pressure, or duration.
Candidates memorize one model facial and treat it as universal, and they confuse more stimulation with better results.
What to do instead
Learn the facial as a decision tree: analysis determines cleanser type, exfoliation method and intensity, massage pressure and duration, mask, and finishing products. Be able to state a specific modification for each skin type, such as avoiding aggressive mechanical exfoliation on inflamed acne or reducing massage on skin with visible capillaries.
Waxing over skin that is on isotretinoin or a prescription retinoid, or waxing recently exfoliated, sunburned, or freshly shaved skin, and applying wax at the wrong temperature or against hair growth.
Candidates focus on technique and forget that the most common waxing injuries are contraindication and temperature errors, and they trust the client's memory rather than asking explicitly.
What to do instead
Make contraindication questions part of the intake every time, including prescription retinoids and isotretinoin, recent peels, and Accutane timelines. Test wax temperature on the inner wrist, apply in the direction of hair growth and remove against it while holding skin taut, and never re-dip a used spatula. State the post-care instructions: no heat, friction, or tight clothing for 24 hours.
Sanitizing lash and brow tools and surfaces casually, sharing mascara or lash adhesive, or failing to patch test lash adhesive and tint before use.
These services are treated as quick add-ons, so the sanitation and allergy steps get skipped, and candidates do not connect eye-area services to a higher infection risk.
What to do instead
Treat every eye-area service as a full sanitation event: single-use applicators, no double-dipping, disinfected tweezers and brushes, and a documented patch test 24 to 48 hours before tint or adhesive. Know the signs of a reaction and the instruction to remove product and seek medical care.
Reading an ingredient list by marketing claims rather than by function, and mixing products that inactivate each other or over-exfoliate the client.
Candidates learn ingredients as vocabulary words without pH, concentration, or formulation context, and they assume more actives means better results.
What to do instead
Classify each ingredient by function (humectant, emollient, occlusive, exfoliant, antioxidant, UV filter, preservative) and know one concrete example of each. Learn the pH ranges that matter for acids and the pairing rules, such as not layering strong exfoliating acids with retinoids in the same session. When in doubt, recommend fewer products and a patch test.
Answering Louisiana law questions from general cosmetology habit rather than from the specific rule, such as guessing scope of practice, sanitation requirements, or licensing and display requirements.
Candidates study technique far more than regulation and assume state rules match what they were taught informally or what neighboring states require.
What to do instead
Study the Louisiana board rules as their own topic, not as an afterthought: scope of practice for an esthetician, license display, sanitation and equipment requirements, and the consequences of violations. Verify current rule text and effective dates directly from the board before the exam, since rules are amended, and flag anything you cannot confirm rather than guessing.