Study guide
6.9 Hair Enhancements: Wigs, Hairpieces & Extensions
Arizona Barber License Exam
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1 Chapter 1: Introduction & Arizona Barber Licensing Framework
1.1 Arizona Barber License Overview, Exam Format & Board Structure 1.2 Candidate Eligibility, School Hours & Training Pathways 1.3 Examination Registration, Testing Rules & Score Reporting 1.4 Reciprocity, Universal Recognition & Military Provisions
2 Chapter 2: Arizona Statutes, Administrative Rules & Board Regulation
2.1 A.R.S. Title 32, Chapter 5: Definitions, Board Powers & Exemptions 2.2 A.A.C. Title 4, Chapter 10: Display Rules & Infection Control Standards 2.3 Establishment Licensing, Managers, Mobile Facilities & Inspections 2.4 Renewal, Inactive Status & Board Disciplinary Action
3 Chapter 3: Infection Control, Safety & Sanitation Protocols
3.1 Principles of Microbiology, Pathogens & Modes of Transmission 3.2 Cleaning, Disinfection & Sterilization: The 3 Levels of Decontamination 3.3 EPA-Registered Disinfectants, Chemical Efficacy & Quats Safety 3.4 Blood Exposure Incidents, Standard Precautions & OSHA Compliance 3.5 Arizona Barbershop Sanitary Standards, Dispensary Rules & Tool Storage
4 Chapter 4: Trichology, Skin Histology, Disorders & Human Anatomy
4.1 Trichology: Hair Follicle Structure, Composition & Growth Cycles 4.2 Professional Hair Analysis: Texture, Density, Porosity & Elasticity 4.3 Scalp Conditions, Alopecia, Parasitic Infestations & Contagious Diseases 4.4 Skin Histology, Sebaceous Glands & Common Facial Skin Disorders 4.5 Skeletal Anatomy: Bones of the Head, Face, Neck & Shoulders 4.6 Muscles of the Neck & Shoulders, Joints & the Four Body Systems
5 Chapter 5: Professional Barbering Tools, Implements & Equipment
5.1 Professional Shears, Thinning Shears & Ergonomic Cutting Mechanics 5.2 Electric Clippers, Trimmers & Blade Systems: Magnetic, Pivot & Rotary 5.3 Traditional Straight Razors, Changeable Blades, Stropping & Honing 5.4 Thermal Styling Tools, Blow Dryers & Electrical Safety in the Barbershop
6 Chapter 6: Hair Care Services: Cutting, Styling, Hair Care & Enhancements
6.1 Facial Shapes, Head Anatomy, Reference Points & Haircut Design 6.2 Fundamental Haircutting Techniques: Blunt, Graduated & Layered Cuts 6.3 Precision Clipper Cutting: Tapers, Fades, Edging & Flat Tops 6.4 Razor Cutting Techniques, Thinning, Texturizing & Shear-Over-Comb 6.5 Mustache and Beard Design, Facial Hair Shaping & Outlining 6.6 Shampooing, Conditioning, Scalp Treatments & Massage 6.7 Wet Styling, Blow-Dry Styling & Thermal Styling Procedures 6.8 Natural Hair Styling: Braids, Twists & Locs 6.9 Hair Enhancements: Wigs, Hairpieces & Extensions
7 Chapter 7: Chemical Services: Coloring, Lightening & Chemical Texture
7.1 Chemistry Fundamentals & The pH Scale in Barbering 7.2 Hair Coloring Principles & Formulations 7.3 Hair Lightening, Decolorizing Stages & Tonal Balancing 7.4 Permanent Waving Chemistry, Wrapping Methods & Neutralization 7.5 Chemical Hair Relaxers: Sodium Hydroxide vs. Thio & Keratin Smoothing 7.6 Preliminary Tests, Foiling & Highlighting Techniques
8 Chapter 8: Facial Hair, Skin Care Services, Head Shaving & Barbershop Business
8.1 The 14 Standard Shaving Strokes & Face Preparation Protocols 8.2 Professional Facial Treatments, Hot Towels & Massage Manipulations 8.3 Professional Client Consultation, Draping Protocols & Contraindications 8.4 Barbershop Operations, Booth Rental vs. Commission, Taxes & Ethics 8.5 Head Shaving: Preparation, Procedure & Safety 8.6 Light Therapy, Microcurrent & Arizona Device Restrictions 8.7 Client Records, Service Documentation & Release Forms
6.9 Hair Enhancements: Wigs, Hairpieces & Extensions
Key Takeaways Explain This Topic AI
A.R.S. § 32-501(4)(d) places hair attachments, extensions, hairpieces and wigs inside the barbering scope when performed by a barber.
Human hair enhancements can be heat-styled and chemically serviced; synthetic fibre generally cannot tolerate thermal tools.
A hand-tied wig cap gives the most natural movement and a machine-made cap is more durable and less expensive.
The match test burns a fibre sample: human hair burns slowly with a sulphurous odour and ash, while synthetic fibre melts into a hard bead.
Extension methods are graded by how the attachment loads the follicle, and any method that keeps sustained tension on the root risks traction alopecia.
Last updated: August 2026
Hair Enhancements: Wigs, Hairpieces & Extensions
Blueprint position: Item III.C.3 under Hair Care Services requires knowledge of the principles, procedures and safety of hair enhancements . Arizona places this squarely inside the barber licence: A.R.S. § 32-501(4)(d) defines barbering to include "providing hair attachments, extensions, hairpieces and wigs when performed by a barber."
Hair enhancement work sits at the intersection of two very different client conversations: fashion (added length, density or colour) and hair loss (androgenetic alopecia, alopecia areata, medical treatment). The technical procedure may be identical; the consultation is not.
1. Fibre: Human, Synthetic or Blended
Property Human hair Synthetic fibre
Heat styling Tolerates irons and dryers like natural hair Generally cannot tolerate thermal tools; melts or fuses (heat-friendly grades exist and must be used at the stated temperature)
Chemical services Can be coloured, lightened and permed, with reduced tolerance Cannot be chemically serviced
Appearance and movement Natural lustre; blends with the client’s own hair Pre-set style holds through washing; can look uniformly glossy
- Longevity Longest, with care Shorter; the fibre abrades and tangles
- Cost Highest Lowest
- Reaction to sun and product Fades and oxidises like natural hair Colour is fibre-fast but heat-sensitive
Important
The match test. Burn a few strands from the sample in a fire-safe dish. Human hair burns slowly, gives off a distinctive sulphurous odour and leaves a fine ash. Synthetic fibre melts, flares or balls into a hard bead and smells of burning plastic. This is the standard identification method and a recurring theory item.
Yak, horse and other animal hair appear in specialty and theatrical pieces. Remy human hair has all cuticles aligned root-to-tip in the same direction, which is why it tangles far less than non-Remy hair.
- 2. Wigs
- Cap construction
Construction Method Characteristics
Hand-tied (hand-knotted) Individual strands knotted into a mesh foundation Most natural movement and the most realistic parting; the most expensive
Machine-made (wefted) Wefts sewn to an elasticised cap by machine Durable, holds a set, least expensive; the standard for everyday wear
- Semi-hand-tied Hand-tied at the part and hairline, machine wefts elsewhere A compromise on cost and realism
- Capless Wefts sewn to strips with open spaces between Lightweight and cooler to wear
Lace front Fine lace at the front hairline with hand-knotted hair Creates the illusion of hair growing from the scalp
Measuring for a wig
Take the measurements with the client’s own hair pinned flat:
- Circumference of the head at the hairline, above the ears and around the nape
- Front to nape over the crown
- Ear to ear across the forehead , at the front hairline
- Ear to ear over the top of the head
- Temple to temple around the back
- Nape width
- Servicing a wig
Cut a wig on a block or on the client , not free in the hand, and use shears or a razor with restraint — a wig has no growth to correct an error. Cut less than you would on growing hair, and cut into it to break up the machine-uniform perimeter so it does not read as a helmet. Clean human-hair wigs with the manufacturer’s recommended shampoo and dry on a block; synthetic wigs are washed cool and air-dried to preserve the set.
3. Hairpieces and Toupees
A hairpiece covers a partial area of the scalp while the surrounding hair remains. Attachment methods trade security against scalp health:
- Attachment Method Considerations
- Clips or combs Sprung clips grip surrounding hair Removable daily; concentrates tension on the anchor hairs
- Adhesive tape Double-sided tape between base and scalp Removable; skin sensitivity possible
- Liquid adhesive (bonding) Adhesive applied to the scalp Longer wear; requires solvent removal and rest periods
- Track and sew / integration Base attached to a braided track No adhesive on skin; tension on the braid
Patch-test any adhesive behind the ear or on the inner arm 24 to 48 hours before use, and inspect the scalp at each service for redness, folliculitis or adhesive build-up.
4. Extensions
- Method Attachment Follicle load
- Clip-in Temporary clips, removed nightly Lowest; tension only while worn
Tape-in Wefts sandwiched around a thin section with adhesive tabs Low to moderate; weight spread over a wide section
- Sew-in (weave) Wefts sewn to cornrow tracks Moderate; depends entirely on braid tension
- Micro-link / bead Small strands secured with a crimped bead Concentrated at each bead; risky if over-tightened
Fusion / keratin bond Keratin tip melted to the strand with a heat tool Concentrated; heat and removal solvent both stress the shaft
Caution
Every extension method loads the follicle. The safety principle is identical to braiding: sustained mechanical tension causes traction alopecia . Keep the perimeter loose, match the weight of added hair to the density of the natural hair, avoid re-attaching over an already stressed hairline, and give the scalp rest between installations. Remove and reinstall on the manufacturer’s schedule rather than letting a bond grow out too far, where the leverage on the root increases.
5. Consultation and Sanitation
Establish why the enhancement is wanted. A client experiencing sudden or patchy hair loss should be referred to a physician; a barber does not diagnose.
Analyse the client’s own hair and scalp first . Fine or already-shedding hair will not support heavy added hair.
Match colour, texture, wave pattern and density in natural light.
Discuss maintenance interval, home care and total cost before starting, and record the agreement.
Arizona sanitation applies unchanged: combs, clips and tools go into the container labeled "dirty" after use and disinfected tools into the container labeled "ready to use" ( R4-10-112(C) ); anything porous that touched the client and cannot be disinfected is discarded immediately ( R4-10-112(E)(1) ); and a client’s own tools brought into the shop must meet the same rules ( R4-10-112(E)(6) ).