New nail ban now in force across Great Britain as change starts Saturday

A new regulation banning the use of trimethylbenzoyl diphenylphosphine oxide (TPO) in cosmetic products has taken effect across Great Britain as of Saturday, August 15, 2026. The change applies to England, Scotland, and Wales, marking the latest step in a broader effort to enhance consumer safety through stricter chemical controls. Suppliers and manufacturers are now prohibited from introducing new products containing TPO into the market, though existing stock can still be sold until specified deadlines. The decision follows extensive scientific review and aligns with earlier actions taken within the European Union. TPO, classified as a CMR 1B substance under the Classification, Labelling and Packaging (CLP) regulations, was already banned throughout the EU starting September 1, 2025. That move prompted salons across Europe to switch to safer alternatives and dispose of older formulations. The UK’s recent action reflects its continued alignment with EU standards, even after Brexit, ensuring consistency in product safety across borders. TPO functions as a photoinitiator in gel nail polishes, enabling them to harden quickly under UV or LED light. Its role is crucial in achieving a smooth, durable finish, particularly for darker shades that require uniform curing. However, studies on animal models have raised concerns about potential reproductive and fertility risks associated with high levels of exposure. Although regular use is deemed low risk, the new rules aim to eliminate long-term uncertainties by phasing out the chemical entirely. The ban targets the chemical itself, not the service of applying gel manicures. Customers can continue booking appointments, and salons are not required to recall existing products. Instead, industry representatives have been advised that they may legally complete any ongoing treatments using TPO-containing products until their stocks are depleted. This approach allows businesses to manage transitions smoothly without disrupting client services. To support the shift, regulators have established a structured timeline. The initial deadline for new production and sales was set for August 15, 2026. A second key date comes later, on February 14, 2027, when distributors and retailers must clear their remaining TPO-based inventory from shelves. After that point, any product containing TPO will no longer be permitted for sale or distribution in the UK. From February 15, 2027, onward, consumers will no longer find TPO in store-bought cosmetics, and suppliers will cease providing new stock. The Cosmetic, Toiletry and Perfumery Association (CTPA) and Trading Standards have issued detailed guidelines to help businesses navigate this transition. These include recommendations for tracking inventory levels and identifying suitable replacements. Industry experts suggest that many salons may begin adopting TPO-free formulas sooner than the final deadline, especially as alternative ingredients become more widely available. For consumers, the immediate impact is minimal. Gel manicures remain fully permissible, and there is no requirement to stop receiving these services. However, the gradual removal of TPO from the market underscores a growing emphasis on transparency and precaution in personal care products. As the UK continues to refine its regulatory framework, this ban represents another small but meaningful step toward greater public health protection.