This product contains calcium pantothenate and Vitamin A to help strengthen natural nails. Weak, thin, splitting or peeling nails will benefit from the use of this product, which is free from Toluene, DBP, and Formaldehyde. Use this rehydrating nail hardener as a base coat underneath your favorite polish. For weak nails, apply one coat to bare, clean nails daily for two weeks. Remove at the end of each week. For an additional two weeks, apply one coat every other day.