Barrier cream helps hold which item into place during a perm service?

• A. Foil
• B. Cotton
• C. Perm rods
• D. Hair cap

Answer: (B)

During a perm service, cotton is placed along the scalp under the wrapped hair to absorb excess solution and protect the skin from chemical exposure. Barrier cream around the hairline creates a protective, slightly tacky film that helps the cotton stay in place as you wrap and as processing occurs. This keeps the cotton positioned correctly so solution doesn’t seep onto the skin and ensures even contact with the hair. Foil, perm rods, and a hair cap serve other purposes in the process and aren’t held in place by barrier cream; the cotton under the wrap is the material that benefits most from that protective, securing layer.