Essie Strong Start Base Coat is designed to strengthen and protect nails with its biotin-infused formula. Ideal for weak and brittle nails, it enhances nail resilience and extends polish durability. Features Reinforces nails Enriched with biotin Strengthens weak and fragile nails Enhances nail resilience Extends nail polish durability Vegan formula Butyl Acetate, Ethyl Acetate, Phthalic Anhydride/Glycerin/Glycidyl Decanoate Copolymer, Nitrocellulose, Isopropyl Alcohol, Acetyl Tributyl Citrate, Dimethyl Sulfone, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Biotin, May Contain (+/-): Ci 60725 (Violet 2).Essie: Renowned for high-quality nail polishes and care products, trusted by beauty professionals worldwide.Apply One Coat Of Strong Start Base Coat To A Clean Nail And Allow It To Dry. Follow With Two Coats Of Any Nail Polish, And Finish With A Top Coat.Flammable. Keep away from heat and open flame. For external use only.