It is important to note that nail products may contain potentially harmful ingredients, but are allowed on the market because they are safe when used as directed. The following information provides details on nail products, including positive and negative aspects, and ingredients or materials:

• Ingredients: Nail products contain a variety of ingredients, some of which may be harmful. For example, some nail polishes contain toluene sulfonamide/formaldehyde resin (TSFR), which can cause allergic reactions in some people. Ethyl methacrylate (EMA), the main substance in artificial fingernails, can cause allergies, asthma, and dermatitis. Some nail products also contain acetates, phthalates, and methacrylates, which are common constituents but can vary between products.

• Positive aspects: Nail products can help people maintain healthy and attractive nails. For example, some nail products contain resins that form a strong coating on the nails, rather than hardening the nails themselves. TSFR is used in some nail polishes to make the coating tough and resilient, and also helps the polish adhere to the nail, adds gloss, and helps the product flow well when applied.

• Negative aspects: Nail products can pose health risks to workers and customers. Workplace exposure to chemicals in the polish and glue can pose a real threat to nail technicians, and chemicals inside of the glues, removers, polishes, and salon products can be hazardous individually and when combined. Some nail products contain ingredients that can release formaldehyde or are suspected of causing harm. It is important to use nail products safely, following labeled directions and paying attention to any warning statements.

• Materials: Artificial nails are composed primarily of acrylic polymers and are made by reacting together acrylic monomers, such as ethyl methacrylate monomer, with acrylic.

It is important to observe any warning labels for safe use on the product container, packaging, or leaflet, and to consult the supplier for further information from the manufacturer which may include safety data sheets. Additionally, it is recommended to have good ventilation when using nail products, and to report any reactions to a nail product to the FDA.