Main product description The care treatment that extends the durability of the color Olaplex Professional Hair Perfector N° 3 is a unique preparation for home use that treats colored or chemically treated hair. Features: significantly reduces hair damage after dyeing regenerates broken bonds directly inside the hair helps maintain color durability multiplies and restores broken disulfide bonds leaves the hair strong, strengthened and perfectly treated reliably protects during subsequent painting or chemical treatmentComposition: without silicones and mineral oilsHow to use: Apply an appropriate amount of product to damp, towel-dried hair (use on dry hair is possible, but results in more product consumption). Comb your hair and leave it on for at least 10 minutes, for maximum effect 30-90 minutes. Then rinse well and wash your hair as usual using shampoo and conditioner. Use once a week after coloring your hair. The product is intended for home use by those who had their hair dyed with the addition of Olaplex Professional in a hair salon and then their hair was treated with Bond Perfector N° 2 regenerative care.