Little understood chemicals cut men’s fertility

November 24, 2014 7:17 PM

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But other experts question whether the chemicals wound up in men’s urine from sunscreen or through another route. The FDA has not authorized the substances – benzophenone-2, known as BP-2, and 4-hydroxybenzophenone, known as 4-OH-BP – for use in sunscreens.

BP-2 does show up as an ingredient in aftershaves, colognes, antiperspirant and other personal-care products.

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