A daily shampoo for all hair types.
It is designed to be used in salons and at home.
No.4 contains our single active ingredient, Bis Aminopropyl Diglycol Dimaleate, which helps repair bonds and gently cleanse all hair types.
No.4 provides hydration, strength and manageability with every wash.
OLAPLEX No.4 is free from colorants, vegan and free from sulphates, parabens and gluten, OLAPLEX has never been tested on animals.