N°4 Shampoo repairs and protects hair from everyday stresses including damaged hair, split ends, and frizz by re-linking broken bonds. 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.

OLAPLEX 4-IN-1 MOISTURE MASK is formulated to address the needs of all clients in need of moisture, especially those with more severe dryness and damage. It brings a new professional strength OLAPLEX treatment, unique to the Salon with elevated levels of ceramides, oils and amino acids for a luxurious post-chemical moisture service. This highly concentrated 4-IN-1 reparative mask adds shine & body while providing intense moisture & smoothness. It can be used in conjunction with the OLAPLEX Stand-Alone Treatment for maximum repair or applied on its own to freshly shampooed hair after a chemical service.