Final answer:
Chemical depilatories are preparations that dissolve hair at the skin line. Popular brands of chemical depilatories include Nair, Magic Shave, and Veet.
Step-by-step explanation:
Chemical depilatories are preparations that temporarily remove superfluous hair by dissolving it at the skin line. They work by breaking the disulfide bonds in keratin and hydrolyzing the hair, making it easily removable. Common active ingredients in these depilatories are salts of thioglycolic acid and thiolactic acids. Some popular brands of chemical depilatories include Nair, Magic Shave, and Veet.