Once again, a chemical banned in Europe (due to possible health harms) is allowed to be used in the US. The chemical TPO, which is used in nail polish gels, is viewed as "carcinogenic, mutagenic, or toxic for reproduction". In other words, could cause cancer and impact fertility.
Nail polish gel containing the chemical trimethylbenzoyl diphenylphosphine oxide (TPO) is applied to the nails to make nail polish stronger and harder, and give it a glossy sheen. The nails are then typically exposed to ultraviolet light to harden.
While TPO is unregulated in the US and therefore commonly used, customers can look for TPO-free products.
Excerpts from Newsweek: Gel Nail Polish on Sale in US Banned in Europe
A key component in gel nail polish has been banned in Europe over fears it may cause cancer or infertility—but it remains in use across the U.S. this week. ...continue reading "Common Nail Polish Ingredient Banned in Europe, But Not In US"