Nail hardener as the name suggests is a hardener and at the same time a reinforcer, enamel based on calcium and biotin that acts directly on the structure of the nail fortifying it and protecting the integrity of the nail plate.
Thanks to vitamins H and B7 it improves elasticity; of the nail, preserving it from flaking and possible damage caused by bumps.
How to use
apply like a normal nail polish directly on the clean nail and allow to air dry. Can be used as a base for traditional nail polish but not in combination with semi-permanent nail polish.
Pro and cons
Pro:already effective strengthening and hardening treatment; after only one week.
Cons: it should be applied only on bare nail and cannot; be used with the semi-permanent.
Inci and pao
Ingredients: ETHYL ACETATE, BUTYL ACETATE, NITROCELLULOSE, ADIPIC ACID/ NEOPENTYL GLYCOL/TRIMEllitic anhydride copolymer, ACETYL TRIBUTYL CITRATE, BIOTIN, CALCIUM CARBONATE,CI 77510 (FERRIC FERROCYANIDE), CI 60725 (VIOLET N.2) PAO 36 M