Chemical Services第 80 / 100 题
Chemical hair relaxers work by:
a.Adding curl to straight hair
b.Breaking disulfide bonds to straighten curly or coiled hair
c.Only coating the surface temporarily
d.Cleansing the scalp
解析
Relaxers use strong chemicals to break the hair's disulfide bonds, allowing the coil pattern to be smoothed straight before the hair is neutralized. Because they are highly alkaline, they must be applied carefully to avoid scalp burns.
免费刷完整 100 道题库 — 无需注册。
同考点相关题目
- On the pH scale, a reading of 7 is:
- The natural pH of healthy hair and skin is approximately:
- A conditioner or acid-balanced rinse generally helps to:
- A permanent wave (perm) changes the hair by:
- In permanent waving, the neutralizer (fixative) is applied to:
- A patch (predisposition) test is performed before certain color services to: