Nailine Calcium is a balanced formula of natural ingredients that dramatically improves overall nail health. It contains a unique Hardening Complex made up of Calcium plus Lactic Proteins that reinforce the keratin of the nails, providing the nails with more resistance. Contains an efficient Complex of Moisturizing Natural Oils, such as Jerusalem Asp oil and linseed oil. Rich in omega 3 and essential fatty acids that hydrate and soften the nail surface, providing health and beauty. Formulated to achieve a shiny and healthy finish. Effective treatment that helps strengthen nails, allowing them to grow in healthier conditions. Instructions for use: External use.\ As a nail treatment: Apply two coats once or twice a week when used as a first coat with a nail polish.\ As a base for polish: Apply one coat directly to the nail.