Base coat, top coat, nail hardener and natural ingredients – the Natural All in 1 Hardening Base & Top Coat unites all of this in just one bottle. Used as a base coat, it strengthens and hardens the nails, protects them from discoloration and smoothens any unevenness. Applied as a top coat, it gives the nail polish a transparent glossy finish, makes it last longer and prevents chipping. The Natural All in 1 Hardening Base & Top Coat contains 94% natural ingredients and is vegan – a true all-rounder.