Question

which of the following tests involve selecting three areas of hair on the scalp and applying relaxer to each? (select all that apply.) select the correct response(s): relaxer strand test metallic salts test patch test scalp analysis

Explanation:

A relaxer strand test involves selecting strands of hair from three areas of the scalp and applying relaxer to them to check how the hair will react. Metallic salts test checks for metal presence in hair, patch test is usually on skin near scalp for allergic reactions, and scalp analysis examines the scalp condition without applying relaxer to hair strands.

Answer:

relaxer strand test