Harvard Men's Health Watch

Zinc oxide shows no link to skin damage

In the journals Zinc oxide (ZO) is one of the most effective ingredients in sunscreen, but previous studies have suggested it could potentially damage skin cells. Now, a small study in the February 2019 Journal of Investigative Dermatology has found that ZO nanoparticles donít penetrate the skin or damage skin on a cellular level even with repeated applications. …

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