G4 Restructuring Protective Oil is designed to nourish and protect dry, sensitized or damaged hair. Its formula helps smooth the hair fiber, control frizz and add shine without weighing the hair down. Helps nourish dry and damaged hair Contributes to smoother hair fiber Helps control frizz Adds softness and shine Protects lengths against dehydration HOW TO USE Apply a few drops to damp or dry hair, focusing on lengths and ends. Do not rinse. Style as desired.