Olaplex N°4 Shampoo repairs and protects hair from everyday stresses — including damaged hair, split ends, and frizz — by re-linking broken bonds. It leaves hair easier to manage, shinier and healthier with each use. N°4 is color-safe and proven to reduce breakage and strengthen all types of hair. Free of DEA, Aldehydes and Formaldehyde. Vegan. Cruelty Free. Nut Free. Paraben Free. Phthalates Free
Apply and massage product throughout hair.