OLAPLEX No.4 Bond Maintenance Shampoo - 8 fl.oz | Repair & Strengthen Damaged Hair | Sulfate-Free Shampoo for Color-Treated & Chemically Processed Hair | Perfect for Daily Use at Home & Salon

Product Description

About N°4

#1 Shampoo in Prestige Haircare*

A highly-nourishing and reparative shampoo.

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.

PH Balance: 6-6.5