Nail sculpting

This function is typical for ingredients that help create and maintain an artificial nail shape in lacquers, gels, acrylics, and modeling systems. They form a strong film or dense polymer structure on the nail plate, so that the coating adheres better to the surface, does not spread and retains the desired architecture. In fact, these substances do not affect the skin or hair, but primarily the nail and the texture of the product itself: they make the mass more convenient for laying out, increase the stability, hardness and durability of the finished layer. The reliance on film-forming polymers in nail products is confirmed by data from CosIng and industry INCI reference books. (single-market-economy.ec.europa.eu)

Typical examples of such components are acrylates—Acrylates Copolymer and Polymethyl Methacrylate. Acrylates Copolymer is known as a film-forming agent and is used, among other things, in nail products, where it helps to obtain a smooth, stable and well-adhering coating. Polymethyl Methacrylate, in addition to its film-forming properties, is used in nail products as a component that improves the placement and formation of liquid-powder mass on the nail plate, which is especially important for modeling systems. Due to these ingredients, the coating looks smoother, holds its shape better and resists chipping and peeling for longer. (cosmetics.specialchem.com)