Articles

Journal

Research, guides, and deep reads on ocean-friendly beauty.

Chemical vs Mineral Sunscreen: Full Comparison

Chemical and mineral sunscreens protect skin through different mechanisms. Their safety profiles, photostability, and marine impact differ sharply.

Mineral-only, fragrance-free sunscreens that protect sensitive skin without harming reefs. What to look for on the label and what to avoid.

SPF 100 blocks 99% of UVB. SPF 50 blocks 98%. The real protection gap is smaller than you think, and reapplication matters more than the number.

Zinc oxide protects skin by absorbing UV photons, not reflecting them. The science behind mineral sunscreen's real mechanism of action.