This nail strengthener with a multi-tasking formula infused with vitamins A and E covers all your bases in one bottle. Consider it a 3-in-wonder. Base coat: Protects against discoloration. Top coat: Delivers long-lasting shine. Strengthener: Helps protects nails against chipping, peeling, and splitting when used daily. How to use: Apply 1 coat to bare nails followed by color, then 1 coat on top to lock it. 3 in 1 Treatment Vegan and 9-Free Delivers long-lasting shine up to 7 days of wear when used as a top coat. Made in the USA Directions: Apply one thin coat to clean, dry nails before applying nail polish. This helps protect nails and improve polish adhesion. Ingredients: Ethyl Acetate, Alcohol Denat., Butyl Acetate, Nitrocellulose, Acrylates/Hydroxyesters Acrylates Copolymer, Isopropyl Alcohol, Acetyl Tributyl Citrate, Tribenzoin, Tosylamide/Epoxy Resin, Tocopheryl Acetate, Retinyl Palmitate, Violet 2 (CI 60725).