AL Barber study materials
AL Barber study resources

AL Barber key terms

AL Barber · Get comfortable with the vocabulary.

Sanitizing

The process of reducing the number of pathogens on a surface to a level considered safe by public health standards, usually by washing with soap and water or using a low-level disinfectant on non-porous items.

Related: Disinfecting, Sterilization, Bloodborne Pathogen Standard
Disinfecting

Using a chemical product registered with the EPA to destroy most harmful microorganisms, including bacteria and fungi, on hard, non-porous implements after they have been cleaned of all visible debris.

Related: Sanitizing, Sterilization, EPA-Registered Disinfectant
Sterilization

The complete destruction of all microbial life, including bacterial spores, on an object, typically achieved with an autoclave using high-pressure steam heat; it is the highest level of decontamination.

Related: Disinfecting, Autoclave
EPA-Registered Disinfectant

A hospital-grade chemical product that carries an Environmental Protection Agency registration number on its label, meaning it has been proven effective against specific pathogens when used exactly as directed.

Related: Disinfecting, Contact Time
Contact Time

The length of time an implement must stay fully submerged in or wet with a disinfectant solution for the product to work as labeled, often ten minutes or more depending on the manufacturer.

Related: EPA-Registered Disinfectant, Disinfecting
Bloodborne Pathogen Standard

The federal OSHA rule requiring employers to protect workers from exposure to blood and other potentially infectious materials through training, Hepatitis B vaccination offers, and the use of personal protective equipment.

Related: Personal Protective Equipment, Universal Precautions
Universal Precautions

A safety approach in which all blood and body fluids are treated as if they carry infectious disease, so gloves and other barriers are used with every client regardless of known health status.

Related: Bloodborne Pathogen Standard, Personal Protective Equipment
Personal Protective Equipment

Barrier items such as gloves, aprons, and eye protection worn by a barber to prevent skin, clothing, and mucous membranes from coming into contact with blood, body fluids, or chemicals.

Related: Universal Precautions, Bloodborne Pathogen Standard
Autoclave

A device that uses pressurized steam at high temperature to sterilize metal implements and linens, killing all microorganisms including spores when the correct cycle is followed.

Related: Sterilization, Disinfecting
Furuncle

A boil or localized bacterial infection of a hair follicle that appears as a painful, pus-filled swelling; a barber must not service the area and should refer the client to a physician.

Related: Tinea Capitis, Pediculosis
Tinea Capitis

A contagious fungal infection of the scalp and hair shafts, often called ringworm of the scalp, marked by scaly patches and broken hairs; it is a contraindication for barbering services.

Related: Furuncle, Pediculosis
Pediculosis

An infestation of lice on the scalp or hair, showing as tiny eggs (nits) glued to hair shafts and intense itching; service is refused and the client is referred for treatment.

Related: Tinea Capitis, Furuncle
Sebum

An oily substance produced by the sebaceous glands of the skin that lubricates hair and scalp; excess sebum contributes to oily hair and scalp conditions.

Related: Sebaceous Glands, pH Scale
pH Scale

A scale from 0 to 14 measuring acidity and alkalinity, with 7 neutral; hair and scalp are mildly acidic near 4.5 to 5.5, and products outside that range can disrupt the hair's outer layer.

Related: Cuticle, Sebum
Draping

The practice of covering a client with a shampoo cape and towel to protect clothing and skin during services while maintaining sanitation and client comfort.

Related: Shampoo Service, Scalp Massage
Shampoo Service

Cleansing the hair and scalp with a surfactant-based product and water, performed with proper draping, water temperature control, and massage movements to remove oil, debris, and product buildup.

Related: Draping, Scalp Massage, pH Scale
Scalp Massage

Manipulation of the scalp with the fingertips or palms during shampooing or treatment to increase circulation, relax the client, and help distribute product; performed with gentle, rhythmic pressure.

Related: Shampoo Service, Draping
Surfactant

A molecule in shampoo that attracts both water and oil, allowing oils and debris to lift from hair and rinse away with water; it creates the lather clients expect.

Related: Shampoo Service, pH Scale
Elevation

The angle at which hair is held away from the head before cutting, which determines how much length is removed and how the finished shape builds weight or layers.

Related: Guideline, Cross-Checking
Guideline

The first section of hair cut to a desired length that serves as the reference point for all following sections, keeping the haircut balanced and even.

Related: Elevation, Cross-Checking
Cross-Checking

Cutting across a section at a different angle than the original cut to verify the line is even and the shape is balanced before the service is finished.

Related: Guideline, Elevation
Taper

A gradual change in hair length, usually from longer at the top to shorter at the neckline and sides, created by blending elevations and is common in men's cuts.

Related: Elevation, Fade
Fade

A haircut technique in which hair length blends smoothly from skin or very short at the bottom to longer at the top, with no visible line of demarcation.

Related: Taper, Elevation
Razor Stroke

The direction and angle in which a razor is moved across the skin during shaving; strokes follow the grain for comfort and against the grain only when a closer shave is needed.

Related: Shaving Lather, Ingrown Hair
Shaving Lather

A foam made by whipping shaving soap or cream with water and applied to soften the beard, hold moisture against the skin, and let the razor glide without irritation.

Related: Razor Stroke, Beard Trim
Beard Trim

Shaping and shortening facial hair with clippers, scissors, or a trimmer to create clean outlines and an even length while respecting the client's natural growth pattern.

Related: Shaving Lather, Razor Stroke
Ingrown Hair

A hair that curls back into the skin after shaving or grows sideways under the surface, causing redness and bumps; proper shaving technique and exfoliation help prevent it.

Related: Razor Stroke, Shaving Lather
Effleurage

A light, gliding massage stroke performed with the palms or fingertips in the direction of muscle flow, used to begin and end a facial massage and to apply product.

Related: Petrissage, Tapotement
Petrissage

A kneading massage movement that lifts and squeezes tissue with the fingers and palms to relax muscles and stimulate circulation, deeper than effleurage.

Related: Effleurage, Tapotement
Tapotement

A brisk, rhythmic tapping or percussive massage movement made with the fingertips or the edges of the hands, used to stimulate the skin and finish a facial massage.

Related: Effleurage, Petrissage
Patch Test

Applying a small amount of a color or chemical product to the skin, usually behind the ear or in the elbow crease, and waiting the manufacturer's time to check for an allergic reaction before the full service.

Related: Strand Test, Developer
Strand Test

A test on a small cutting of the client's hair to predict how a color or lightener will process, helping the barber choose the right formula and timing before applying it to the whole head.

Related: Patch Test, Developer
Developer

A hydrogen peroxide solution that supplies oxygen to break down hair color molecules and lighten natural pigment; its volume strength controls the amount of lift and deposit.

Related: Patch Test, Strand Test
Relaxer

A strong alkaline chemical product, usually containing sodium hydroxide or a no-lye alternative, that straightens curly or wavy hair by breaking and reforming its disulfide bonds.

Related: Neutralizer, Disulfide Bond
Neutralizer

A product applied after a relaxer or permanent wave to stop the chemical action and rebuild the hair's disulfide bonds, locking the new shape into place.

Related: Relaxer, Disulfide Bond
Disulfide Bond

A strong chemical bond between sulfur atoms in the hair's cortex that gives hair its strength and shape; permanent waves and relaxers break and re-form these bonds to change texture.

Related: Relaxer, Neutralizer
Cuticle

The tough, transparent outer layer of the hair made of overlapping scales that protects the cortex and controls how much moisture and chemicals enter or leave the hair shaft.

Related: Cortex, pH Scale
Cortex

The middle and thickest layer of the hair shaft, made of elongated cells containing melanin; it gives hair its strength, elasticity, and color and is where chemical changes occur.

Related: Cuticle, Disulfide Bond
Sebaceous Glands

Oil-producing glands attached to hair follicles that secrete sebum onto the skin and hair, keeping them lubricated and water-resistant.

Related: Sebum, Cuticle
Licensure

The legal requirement that a barber hold a valid state-issued license, display it at the work station, and renew it on schedule in order to practice barbering legally in Alabama.

Related: Scope of Practice, Sanitation Rules
Scope of Practice

The specific services and procedures a licensed barber is legally permitted to perform under state law, such as haircutting, shaving, and chemical services, and the limits of that authority.

Related: Licensure, Sanitation Rules
Sanitation Rules

The state regulations a barber must follow for cleaning, disinfecting, and storing tools, handling linens, and maintaining the shop, enforced through inspections and possible disciplinary action.

Related: Licensure, Scope of Practice
Professional Ethics

The principles of honesty, confidentiality, respect, and fair dealing that guide a barber's conduct with clients, coworkers, and the public, supporting trust and the reputation of the profession.

Related: Scope of Practice, Licensure