Treatment for soft, peeling, bitten, weak or thin nails. Nailtiques Protein Formulas were created for different nail conditions. The salon tested formulations offer special combinations of ingredients, including hydrolyzed keratin and protein in combination with gelatin and calcium. The protein formula bonds the nail layers together, building a strong nail foundation resistant to peeling, chipping and splitting. Select your Nailtiques protein depending on your nail condition. Dermatologist tested.