California Cosmetology Written ExamHaircoloringEasy
A cosmetologist recommends semi-permanent hair color to a client who wants to refresh dull, dark brown hair with subtle warmth but does not want to commit to a long-term change. What is a defining feature of semi-permanent color?
- AIt requires a patch test 24-48 hours before every application due to ammonia content
- BIt contains no ammonia or peroxide and gradually fades over 4 to 6 shampoos
- CIt is mixed with a high volume developer to lighten the natural level
- DIt permanently coats the hair shaft and never fades
Show answer & explanationAnswer & explanation
Correct answer: B. It contains no ammonia or peroxide and gradually fades over 4 to 6 shampoos
Semi-permanent color is a deposit-only color that contains no ammonia or peroxide, so it cannot lighten hair; its smaller molecules penetrate slightly into the cuticle and gradually fade with each shampoo, typically disappearing within 4 to 6 washes.
Why the other options are wrong
- A. No ammonia means no patch test typically required for pure semi-permanent products
- C. Semi-permanent uses no developer and cannot lift hair
- D. Semi-permanent is temporary in nature and does fade
Semi-Permanent Color
A deposit-only color with no ammonia or peroxide that fades gradually over 4-6 shampoos.
- Cannot lighten natural hair color
- Smaller molecules than temporary color penetrate slightly
- Good for blending small amounts of gray or refreshing tone
Memory trick: Semi = 'sometimes stays', fades slowly over several washes