Proven technology that repairs and strengthens all hair types.
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 Color-safe, vegan and made without sulfates, parabens or gluten, OLAPLEX is 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.