This product is formulated with the unique ingredient Prosina, a Keratin Peptide. Prosina helps nails become stronger and more break resistant. This high viscosity formula will help provide a reinforced shield for maximum protection and durability, while giving your nails a beautiful splash of color. Benefits: Strengthens and conditions nails. Provides a splash of color to hide imperfections. Can be used alone or over a basecoat. Dibutyl-Phthalate, Toluene and Formaldehyde free.