The chemical trimethylbenzoyl diphenylphosphine oxide has been banned in Europe due to a possible link to fertility problems based on animal studies.

Toxic topcoat? Beginning Sept. 1, the European Union has banned an ingredient commonly found in gel nail polish. The banned substance, TPO (trimethylbenzoyl diphenylphosphine oxide), gives nails an ...

The European Union just dropped a bombshell on the beauty world, and if you’re someone who lives for that perfect, chip-free manicure, you might want to sit down for this. The days of your go-to gel ...

As Europe's ban on a common chemical in gel nail polish goes into effect, should you start skipping the salon? The European Union instituted a ban on trimethylbenzoyl diphenylphosphine oxide (TPO) ...

“Taylor inspires trends no matter what she does, and nails are no exception,” says Bana Jarjour, a Los Angeles-based ...

After many shows of hands, we narrowed down hundreds of polishes, press-ons, and nail-care products to a lucky number 13.

We don’t always have the answers, but we have some people on speed dial who do — which is why we present to you our series FYI where we have experts explain if lip balm is actually bad, how often you ...

The strips feature intricate designs and can be applied at a fraction of the cost of a salon visit. People are collecting ...

A chemical used in cosmetic products has been banned by the EU after studies suggested it may be "carcinogenic, mutagenic, or ...

Selena Gomez said “I do” with pearly chrome almond nails. This subtle bridal manicure is set to be the most-copied look of ...

Kara Jillian Brown is the beauty editor of InStyle. She began her career at Well+Good, where she spent five years evolving from editorial intern to news writer to beauty writer. She earned a ...

In early September 2025, social media posts claimed that European regulators were going after gel nail polish. Some posts, such as this one on Instagram (archived), claimed they were banning a "key ...