Olaplex No. 4 Fine Bond Maintenance Shampoo 8.5 Oz

An ultra-light, highly concentrated fine-hair shampoo to volumize and prevent and care for damage.

How to Use?
-Apply to wet hair.
-Lather.
-Rinse.
-Follow with No.5FINE BOND MAINTENANCE® CONDITIONER (sold separately).
-Let sit for one to two minutes.
-Rinse.