Zinc Oxide: The Mineral, Explained
Zinc oxide is the backbone of mineral sunscreen. Here's what it is and what the FDA has said about it.
Transcript
Meet zinc oxide, the mineral in mineral sunscreen. It works across UVA and UVB light, mostly by absorbing it. The FDA proposed it as one of only two sunscreen actives with enough data. Any sunscreen only works if you use enough and reapply. Ours: zinc oxide, beeswax, plant oils and carrot seed oil. Short list. Easy to read.
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Key points from the full guide
- Zinc oxide is a white mineral compound that protects skin across both UVB and UVA rays.
- The FDA has proposed zinc oxide and titanium dioxide as the only sunscreen actives with enough data to be generally recognized as safe and effective.
- It mostly absorbs UV light, with some scattering, rather than acting purely like a mirror.
- It is a gentler alternative to chemical filters like oxybenzone, which can cause allergies and is restricted in Hawaii.
- Any sunscreen only works when applied generously and reapplied, alongside shade and protective clothing.
Read the full guide: Zinc Oxide: The Mineral Sun Filter Explained