WHAT IT IS: OLAPLEX No.4 is an everyday shampoo for all hair types. It is designed to be used in salons and at home. No.4 contains our single active ingredient, Bis-Aminopropyl Diglycol Dimaleate, which will help repair bonds as well as gently cleanse all types of hair. No.4 imparts moisture, strength and manageability with every
wash. OLAPLEX No.4 is Colour-safe, vegan and made without sulfates, parabens or gluten, OLAPLEX is never tested on animals.
HOW TO USE:
- Use every time you shampoo OR after rinsing OLAPLEX No.3 Hair Perfector from hair.
- Apply a small amount of No.4, it is highly concentrated. Lather. Rinse.
- Follow with OLAPLEX No.5 Bond Maintenance Conditioner.