OLAPLEX No.4 is an everyday shampoo designed to be used in salons and at home. It uses a patented 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 Color-safe ,vegan and made without sulfates, parabens or gluten, OLAPLEX s never tested on animals.
HOW TO USE
1. Use every time you shampoo OR after rinsing OLAPLEX No.3 Hair Perfector from hair.
2. Apply a small amount of No.4 ,it is Highly Concentrated. Lather. Rinse.
3. Follow with OLAPLEX No.5 Bond Maintenance Conditioner