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Skin · Updated October 2026

Best sunscreen for Miami sun: mineral vs chemical

Miami's UV index is often forecast at 10–11+ — very high to extreme — from spring through summer. Here's how to pick and use sunscreen for it.

Updated October 2026

A woman applying sunscreen to her shoulder while seated on sand
Photo: cottonbro studio / Pexels
A woman applying sunscreen to her shoulder while seated on sand
Photo: cottonbro studio

Our top pick

EltaMD UV Clear Face Sunscreen SPF 46

A dermatologist-favorite face sunscreen with zinc oxide.

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Also great

A woman applying sunscreen to her shoulder while seated on sand
Photo: cottonbro studio

EltaMD UV Physical Tinted 100% Mineral Sunscreen SPF 41

Tinted mineral face sunscreen.

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A woman applying sunscreen to her shoulder while seated on sand
Photo: cottonbro studio

Blue Lizard Sensitive Mineral Sunscreen SPF 50

Mineral sunscreen for sensitive skin.

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Picks are chosen from ingredients, brand reputation and large Amazon review counts — we have not personally tested every product. We earn commissions from Amazon and from brand partners like Beetles (via Awin) on qualifying purchases.

What to look for

How to apply it

Mineral vs chemical

Mineral sunscreens use zinc oxide or titanium dioxide, which sit on the skin (#S09, #S11, #S12). Chemical sunscreens use filters that absorb UV and usually rub in clear — #S13 is a clear-finish option. Both work when you use enough and reapply; mineral formulas can leave a white cast, which tinted versions hide.

Dark spots and melasma

Visible light matters too. In a randomized trial of 61 patients, a tinted sunscreen that also blocks visible light (iron oxides) gave 15% greater improvement in melasma scores than a UV-only sunscreen at 8 weeks. For spots, a tinted mineral sunscreen like #S10 is the pick.

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FAQ

What SPF do I need in Miami?

The AAD recommends SPF 30 or higher, broad spectrum and water resistant. Miami’s UV index is often forecast at 10–11+ from spring through summer.

How much sunscreen should I use?

About 1 ounce for the body, applied about 15 minutes before going out, and reapplied every 2 hours and after swimming or sweating (AAD).

Mineral or chemical sunscreen?

Mineral sunscreens use zinc oxide or titanium dioxide; chemical sunscreens use filters that absorb UV. Both protect when you apply enough and reapply.

Which sunscreen is best for dark spots or melasma?

In a randomized trial of 61 patients, a tinted sunscreen that also blocks visible light (iron oxides) gave 15% greater improvement in melasma scores than a UV-only sunscreen at 8 weeks.

Sources

Every number on this page comes from the sources below. Last updated October 2026.

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