More info

Zao Hardener is ideally applied as an undercoat before varnish or alone. Its formula, enriched with bamboo rhizome macerate, rich in organic silica, helps to strengthen the nail. It can also be used as a treatment for brittle nails that need to be strengthened.

Its formula contains 82% ingredients of natural origin. It is guaranteed '10 Free': without toluene, formaldehyde, formaldehyde resin, synthetic camphor, dibutyl phthalate, paraben, xylene, rosin, styrene and benzophenone.

Key ingredient : Bamboo rhizome macerate: Naturally rich in organic silica, it makes nails stronger and more resistant.

Product Reference: 635

Good to Know : The Zao range is:

• Certified organic by Ecocert and Cosmebio
• Certified Cruelty Free & Vegan by PETA
• Winner of the Slow Cosmetics award