Chemical ServicesCâu 88 / 100
Before a relaxer, a protective base or barrier cream is applied to the scalp to:
a.Speed up processing
b.Protect the skin and scalp from the caustic chemical
c.Add curl
d.Cleanse the hair
Giải thích
A protective base cream shields the scalp and hairline from the strong alkaline relaxer, reducing the risk of chemical burns and irritation. It is especially important with stronger, lye-based relaxers.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Which type of haircolor lasts the longest and involves a chemical change within the hair?
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- If a client reports itching, redness, or swelling after a patch test, the barber should:
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