Journal
Research, guides, and deep reads on ocean-friendly beauty.
Do Sunscreen Pills Work? What the Science Says
Do sunscreen pills work? Polypodium leucotomos adds modest UV defense, but no supplement replaces topical SPF. What the clinical trials show.
Do You Need Sunscreen in Winter? The Cold Truth
Do you need sunscreen in winter? Snow can reflect up to 80% of UV, and UVA stays strong all year. Here's how cold-weather sun damage works.
Post-Summer Skin Repair: Your Fall Reset Plan
Summer sun leaves dark spots, dehydration, and a weakened barrier behind. A step-by-step post-summer skin repair routine with marine actives for fall.
Coral Spawning: The Night Reefs Release Millions of Eggs
Coral spawning turns reefs into upside-down snowstorms one night a year. How corals sync to the moon, and why timing matters for reef recovery.
Avobenzone in Sunscreen: Why the Top UVA Filter Fails
Avobenzone in sunscreen is the world's most-used UVA filter, and sun can strip a third of its strength in an hour. What keeps it working.
Sargassum Seaweed on Beaches: Why Blooms Keep Coming
Sargassum seaweed on beaches arrives via the Great Atlantic Sargassum Belt. Why blooms form, what the smell means, and when it is safe to swim.
UPF Clothing: How Sun Protective Fabric Gets Rated
UPF clothing blocks UV with fabric instead of filters. How the rating is tested, what 50+ means, and when a rash guard beats sunscreen.
Homosalate in Sunscreen: The EU Cap and the US 15% Gap
The EU capped homosalate in sunscreen at 7.34% on endocrine findings. The US still allows 15%. What the science shows and how to read a label.
Sea Lice Rash: Seabather's Eruption Treatment and Causes
That itchy line of bumps under your swimsuit is usually a sea lice rash caused by jellyfish larvae. How to treat seabather's eruption and prevent it.
Reef-Safe Sunscreen for Acne-Prone Skin
Breakouts by summer's end? Choosing reef-safe sunscreen for acne-prone skin comes down to non-comedogenic mineral filters and lightweight textures.