Journal
Research, guides, and deep reads on ocean-friendly beauty.
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.
Sea Moss for Skin: What the Evidence Really Says
The viral gel is everywhere, but does sea moss for skin live up to TikTok claims? What chondrus crispus research shows, and what it doesn't.
Does Sunscreen Expire? What the Date Really Means
Heat and time degrade UV filters, so does sunscreen expire before its printed date? FDA rules set a 3-year shelf life. Here's how to check yours.
Marine Heatwave Coral Bleaching: How Ocean Warming Works
A marine heatwave coral bleaching event happens when ocean temperatures exceed local thresholds for weeks. Here's how NOAA tracks and forecasts it.
Guanine in Cosmetics: The Fish Scale Shimmer Explained
Guanine in cosmetics comes from fish scales and creates pearl shimmer in makeup. The science behind CI 75170 and how conscious brands replace it.
Reef Safe Sunscreen for Kids: What Parents Should Know
Choosing a reef safe sunscreen for kids means zinc oxide, no oxybenzone, and true water resistance. Here's what pediatric science says to look for.
Does Sunscreen Block Vitamin D? What Research Shows
Does sunscreen block vitamin D enough to matter? Here is what the research shows about SPF, UVB exposure, and maintaining healthy vitamin D levels.
Jellyfish Sting Treatment: What Works at the Beach
The right jellyfish sting treatment removes tentacles without adding more venom. What works, what hurts, and the myths to skip this season.