Which color service uses no oxidation and fades quickly?

• A. Semi-permanent
• B. Permanent
• C. Demi-permanent
• D. Temporary

Answer: (A)

Non-oxidative color deposits pigment onto the hair without using a developer, so there’s no chemical lifting of the natural pigment. That means the color sits on the cuticle and gradually washes out with each shampoo. This is what semi-permanent color does: it uses direct dyes and avoids oxidation, giving a color that fades over multiple washes rather than lasting indefinitely.

Temporary colors also don’t use oxidation, but they sit even more superficially on the cuticle and tend to wash out very quickly, often after just a few shampoos. Permanent colors and demi-permanent colors involve some oxidation: permanent uses a stronger developer to lift and deposit in the cortex for long-lasting color, while demi-permanent uses a small amount of developer and fades after several washes.