Oregon Barber Certification Practice Exam

Reconditioning agents are hair products that work to restore and strengthen damaged hair. Lanolin is a common ingredient in these products because of its moisturizing properties. The other options - toning agents, thioglycolate, and coloring agents - do not have the same moisturizing benefits as lanolin. Toning agents are used to adjust the pH balance of hair, thioglycolate is a chemical used in permanent hair treatments, and coloring agents are used for adding color to hair. Therefore, lanolin or a protein substance is the best choice for a reconditioning agent, as proteins are essential for strengthening and repairing damaged hair.