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How to Improve Skin Health & Appearance

Huberman Lab

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Sunscreen Components and Safety Concerns

Sunscreen ingredients can be classified as organic/chemical or inorganic/mineral. Organic sunscreens absorb UV light to protect the skin, while mineral sunscreens reflect back UV light. Mineral sunscreens containing zinc oxide or titanium dioxide are generally considered safe up to concentrations of 25%. On the other hand, there are concerns about organic/chemical sunscreens containing oxybenzone and avobenzone as potential endocrine disruptors, affecting hormone pathways beyond just testosterone and estrogen.

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