I could not find any relevant search results for nail art in Crawley that provide product details, positive or negative reviews, or ingredients or materials. However, I can provide some general information about nail products and their regulation. Nail products, including nail polishes, gels, and acrylics, may contain potentially harmful ingredients, but they are allowed on the market because they are safe when used as directed. The Food and Drug Administration (FDA) regulates nail products for both home and salon use under the Federal Food, Drug, and Cosmetic Act (FD&C Act) . The labels of all cosmetics, whether marketed to consumers or salons, must include a warning statement whenever necessary or appropriate to prevent a health hazard that may occur with the use of the product. It is important to use nail products safely, following labeled directions and paying attention to any warning statements.