Olaplex Hair Perfector No. 3 is an intensive treatment that strengthens and repairs damaged and weak hair while protecting it from future damage caused by pulling or coloring. It is ideal for all hair types, especially weak, dry, and chemically treated hair. It helps maintain the strength, structure, health, elasticity, and shine of the hair. Size: 100 ml bottle. Benefits and features: activates hair from roots to ends. Harmonizes the scalp. Makes hair more dense. Makes hair easy to style. Beneficial for all hair types. Reduces split ends. Clearly strengthens hair. Improves the appearance and feel of hair. How to use: apply to towel-dried hair and leave for at least 10 minutes. Then rinse and wash hair with shampoo and conditioner. Shampoo should be used after rinsing. The longer it stays on the hair, the more effective it is. Product barcode 896364002749