INFO
A highly-nourishing and reparative shampoo.
No.4 Shampoo repairs and protects hair from everyday stresses ‚Äî including damaged hair, split ends, and frizz ‚by re-linking broken bonds. Leaves hair easier to manage, shinier and healthier with each use. No.4 is color-safe and proven to reduce breakage and strengthen all types of hair.
PH Balance: 6-6.5
The Original Bond Builder
The only patented system to noticeably repair extreme damage—turn dry, brittle hair into soft, shiny, and more resilient hair.
HOW TO USE
- 1. Use every time you shampoo OR after rinsing OLAPLEX No.3 Hair Perfector from hair.
- 2. Apply a small amount of No.4 ,it is Highly Concentrated. Lather. Rinse.
- 3. Follow with OLAPLEX No.5 Bond Maintenance Conditioner.
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