Olaplex No. 3 Hair Protector is a treatment for all hair types that are dry, damaged, or colored. It is used once a week, or two to three times a week for damaged hair. It is used on damp, towel dried hair, left on for a minimum of 10 minutes, then shampoo and condition. For the best dry hair treatment when your locks need a revamp, try this deeply nourishing hair oil. Made to repair compromised or damaged strands, the Olaplex No. 7 Bonding Oil 1 oz has a highly concentrated formula ideal for increasing strength, softness and shine. This weightless product is ideal for minimizing fly-aways and boosting vibrancy, and offers heat protection up to 450 degrees.