Nail problem: hard, brittle nails The solution: restoration of nail flexibility.This practical nail care set contains the three products you need for your nail problem:Recovery - base coat for hard, brittle and brittle nails - the moisturizing complex of proteins, calcium and water brings the Nails the necessary suppleness and thereby increases the nail flexibility. Brilliance - Fast-drying top coat with high gloss, which prevents yellowing, chipping and discoloration. Phenomen Oil - The multi-award-winning nail care oil - Intensive moisturizing care for dry and rough skin.