NailKale Base Coat is a powerful nail treatment that offers keratin hardening and activation to stimulate nail growth, hydration, anti-breakage and anti-splitting protection with deep nourishment. We have recently reformulated it to be 21 free (free from formaldehyde, acetone, parabens and 18 other ingredients*). Apply this formula for healthier looking, brighter nails and a high gloss finish, the perfect base pre any shade. We have also switched up our iconic cap for a recyclable and sustainable eco-friendly 100% FSC Ash wooden cap worn on top of the Nails.INC staple Venetian glass bottle. Nails.INC Bottle and Brush Features - Use the lid as a table to paint your nails - The bottle has a try before you buy element at the base- Venetian Glass - Each Nails.INC colour and treatment can be applied easily create an immaculate finish, using the patented brush exclusive to Nails.INC, ergonomically designed to work with the shape of the nail and minimise the number of strokes required.