What is this?
A highly-nourishing and reparative shampoo. This is part of the Olaplex 3-4-5 system.
What does it do?
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
How to use.
Pre-treat hair with Olaplex N°3 (sold separately). Wet hair and scalp with water. Apply shampoo and massage product throughout hair. Rinse product from hair. Repeat until hair and scalp is clean. Follow with Olaplex N°5 Bond Maintenance Conditioner (sold separately).
(8.5 fl. oz.)