HC Formula + B5 complements the chemical make-up of the hair and skin. It reinvigorates the structure and life of hair and skin because it is a pure system that resembles the chemical make-up of hair and skin. HC Formula + B5 repairs damaged hair and mends split ends because of its unique vegetable protein composition. Vitamin B5 improves moisture and mends damaged cuticles. Vitamins A and E help prevent thermal and solar damage and improve the resiliency of hair and skin. On contact, HC Formula + B5 helps soothe and relieve minor cuts and burns on the skin. It has a unique ability to neutralize any ammonia residue left in the hair after coloring or perming. It protects against damage from salon chemicals, thermal styling and the environment. Soothes skin irritated by chemicals and the sun.