Protein Formula For Nails No:3 is formulated for dry, brittle nails. Helps hydrate and increase nail flexibility, protecting the nails from brittleness and breakage. Contains Probiotics to help prevent any damage to the nails, Glycerin helps moisturise and brighten the nails, Panthenol helps add hydration and acts as an antioxidant and Hexanal helps increase the flexibility of the nails.