OlaplexNo.4 Bond Maintenance Hair Strengthening Shampoo

A highly concentrated strengthening shampoo for medium-coarse hair that repairs damage to reinforce hair, nourish, and boost shine in 1 wash. Repair everyday damage in 1 wash. This #1 best-selling salon shampoo* strengthens and reinforces bonds for more resilient hair, at a molecular level. The luxuriously nourishing and abundant lather gently cleanses and replenishes hydration– never stripping essential moisture– leaving hair soft and lightweight. Clinically proven to boost shine and reduce split ends and frizz**. **When used as a system with No.5 Bond Maintenance Conditioner UPC: 810177860303 Key Benefits - Repairs everyday damage and defends against future breakage. - Strengthens and reinforces bonds for more resilient hair. - Gently cleanses without stripping Replenishes hydration and enhances softness. - Clinically proven to boost shine, smooth and reduce frizz. - Dermatologist tested, vegan, color-safe, and suitable for chemically treated hair. - Clinically proven to boost shine, smooth, and reduce frizz. - Dermatologist tested, vegan, color-safe, and suitable for chemically treated hair.