Nails feel stronger and appear enhanced with the Rimmel London Nail Care 2 in 1 Base Coat and Nail Strengthener. Formulated with amethyst, celery extract and biotin, this Rimmel nail care can be applied to bare nails for healthier-looking and harder-feeling nails. - 2 in 1 base coat and nail strengthener. Vegan formula contains amethyst, celery extract and biotin. - Apply one coat of this base coat to bare nails. - Helps to protect nails against breakage. - Clinically tested to help make nails stronger with continued use.