Dry, split nails with ridges? Ridgefiller Nail Strengthener strengthens, moisturises, smooths out any unevenness and camouflages discolouration Nail strengthener with ridge filler effect. Strengthens and moisturises dry, split nails. Enriched with vegetable oils and amino acids that restore the moisture balance, repair and protect. Camouflages ridges and yellowing and gives nails a healthy, natural appearance.