13.1 Hair Extensions, Wigs & Hairpieces

Hair Extensions, Wigs & Hairpieces

Quick Answer: Hair additions come in two material types — human hair (can be heat-styled and coloured) and synthetic (pre-styled, heat-sensitive, not colourable) — and are attached by several methods with different wear durations: clip-in (temporary), tape-in (4-8 weeks), sew-in/weft (6-8 weeks), fusion/bonded keratin-tipped (3-5 months), and microlink/cylinder (2-4 months). Customizing, maintaining, and removing them safely is core Task G-16 work.

Hair extensions, wigs, and hairpieces add length, volume, or coverage for cosmetic or medical reasons. The Red Seal 332A exam weights Task G-16 (extensions, wigs, and hairpieces) at about 73% of the roughly 5% Specialized Services block, so this is the dominant topic in the chapter. Expect questions on material type, attachment method, maintenance, hygiene, and client sensitivity.

Human Hair vs Synthetic

The first decision is material. The two options behave very differently and the choice drives every later decision about styling, colour, washing, and longevity.

A common exam trap: assuming all extensions can be coloured. Only human hair can be coloured or lightened. Synthetic fibre is factory-coloured and cannot be lifted.

Attachment Methods and Typical Wear Duration

Wear duration varies with hair growth, product care, and client activity. Always follow the manufacturer's guidance and the client's natural-hair strength — fine or fragile hair should not carry heavy weft or fusion loads.

Customizing Extensions, Wigs & Hairpieces

A raw extension or wig rarely matches the client perfectly. Customizing is part of the service:

1. Colour-matching — blend extension shades to the client's natural colour or target fashion colour. For human hair, extensions can be coloured to match; for synthetic, the shade must be selected from the manufacturer's palette. Use a swatch or take a clean dry strand of the client's hair to match under natural light.
2. Cutting and trimming — cut extensions only after they are attached, so the blend is seamless. Cut using a razor or point-cutting technique to remove bluntness. Thinning shears remove bulk at the attachment point so the extension does not sit heavy or show a hard line.
3. Thinning and blending — blend the client's natural hair over the extension top so the attachment line is hidden. Texturizing removes the visible step between natural hair and extension.
4. Styling — heat-style human-hair extensions as you would the client's hair. For synthetic, use only low-heat tools approved by the manufacturer, or steam-set according to instructions.

Wig Cap Types and Fitting

Wigs are worn for fashion, convenience, or medical reasons. The wig cap is the base the hair is attached to. Common cap types:

Fitting: measure the client's head circumference at the hairline, above the ears, and around the nape. Most wigs are sized petite, average, or large. A snug but not tight fit prevents slipping and headaches. For medical clients with no hair, a wig grip band or silicone strip secures the wig without tape or adhesive.

Maintenance, Removal, and Hygiene

Maintenance keeps extensions and wigs wearable and protects the client's natural hair and scalp.

Washing: Wash extensions only when needed (not daily). Use sulfate-free, gentle shampoo and lukewarm water. Apply conditioner from mid-strand to ends — never at the tape, bond, or cylinder attachment, because it can slip the adhesive and weaken the bond. Rinse thoroughly.

Brushing: Use a loop brush or wide-tooth comb. Hold the hair above the brush to avoid pulling tension onto the attachment. Start at the ends and work up.

Storing wigs: Store on a wig stand (canvas or Styrofoam) to preserve the cap shape and the style. Keep away from direct heat, sun, and dust.

Heat on synthetic: Never flat-iron or curl a standard synthetic wig at high heat — the fibre will frizz or melt. Use only the manufacturer's approved low-heat setting or steam.

Re-tightening: Tape-in and sew-in extensions shift down as the natural hair grows. Schedule maintenance every 4-8 weeks to lift the attachment back to the original placement. Delaying causes matting at the root and tension on the natural hair.

Removal:

• Clip-in: unclip and store
• Tape-in: apply a tape-release solvent and gently slide the weft off; do not pull
• Sew-in: snip the thread, not the natural hair, and unwind the weft
• Fusion: use a fusion remover or plier to crack the keratin bond and slide the strand off; never pull through the hair
• Microlink: open the cylinder with pliers and slide the extension off

Hygiene and sanitation: All extension tools — clips, combs, brushes, fusion pliers, cylinders — must be sanitized between clients per standard salon infection-control rules. Reusable bonds and tape are single-client use. For shared wigs tried on in a salon, wear a wig cap barrier and sanitize the interior. Never reuse another client's tape-in or fusion strands.

Medical and Hair-Loss Considerations

Clients experiencing alopecia areata, androgenetic alopecia, traction alopecia, or chemotherapy-related hair loss need a sensitive, informed approach.

• Scalp may be tender or newly exposed — avoid tension, tight attachments, or harsh adhesives.
• Monofilament and lace-front wigs are preferred for a natural look without heavy caps.
• Hypoallergenic tape and wig grips reduce irritation on sensitive skin.
• A client receiving chemotherapy may have a fragile scalp and newly thinning hair; consult the client and, when in doubt, the client's physician about timing and product safety.
• Do not promise regrowth — refer unexplained or sudden hair loss for medical evaluation (see Section 13.3).

Why This Matters for the Exam

G-16 is the heaviest part of MWA G. Expect questions on human vs synthetic behaviour, attachment method and wear duration, the do-not-do rules (no heat on standard synthetic, no colour on synthetic, no pulling on bonds), maintenance intervals, and hygiene of shared tools.