Sunscreen Ranker journal
The sunscreen
journal.
Daily, evidence-led notes on SPF, UV filters, and sun protection — every claim sourced, no cap.
- Global Why Japanese Sunscreens Feel So Elegant The texture engineering behind the cult favorites. Read it →
- Formulation The Science of Why Some Sunscreens Feel Greasy Oil phase, filters, and finish: what really drives the slip. Read it →
- Skin cancer Spring Break Sun Safety That Doesn't Kill the Vibe Sun protection that fits a beach trip, not a lecture. Read it →
- Application Mineral vs Chemical Sunscreen: The Honest Comparison No tribalism, just what each type actually does well. Read it →
- UV science Spring UV Is Sneaky: Why March Sunburns Catch You Off Guard Cool air paired with strong rays is the seasonal mismatch that burns people in March. Read it →
- Global The Sunscreens Europeans Have That Americans Desperately Want A wishlist of formulas stuck at the U.S. border. Read it →
- Formulation What Makes a Sunscreen Water-Resistant (and Why None Are Waterproof) The FDA banned the word 'waterproof,' and the science explains why. Read it →
- UV science Why UVA Is Called the 'Aging Ray' A deep look at the wavelength behind your wrinkles and dark spots. Read it →
- Skin cancer Who's Most at Risk for Skin Cancer? (It's Not Just Fair Skin) The skin cancer risk factors that have nothing to do with how fair your skin is. Read it →
- Trends 'Sunscreen Causes Cancer' — Tracing Where the Myth Came From We followed a single piece of misinformation back to its source. Read it →
- Filter chemistry Why the US Sunscreen Aisle Looks Frozen in Time The regulatory backstory of why U.S. sunscreen innovation stalled, and why that's finally changing. Read it →
- Sensitive skin Fungal-Acne-Safe Sunscreen: Does It Exist? How to tell which sunscreens won't feed Malassezia. Read it →
- Global Australia's SPF Standards Are Among the World's Strictest The country with the highest skin cancer rates also has the toughest rules. Read it →
- Formulation Antioxidants in Sunscreen: Hype or Help? Vitamin C, vitamin E, and the Pinnell research that kicked off the whole idea. Read it →
- Application How Often Do You REALLY Need to Reapply? The two-hour rule, with the nuance for desk workers and beachgoers. Read it →
- UV science How Free Radicals From UV Actually Damage Your Skin The molecular story behind sunburn and photoaging. Read it →
- Skin cancer Melanoma by the Numbers: 2026 Projections 234,680 new cases this year — here's what the data actually says. Read it →
- Trends Tanning Is Trending Again — Here's What's at Stake 'Tanmaxxing' is back on your feed, but the risk math hasn't changed. Read it →
- Global K-Beauty Sunscreen Culture: Why Korea Treats SPF Like a Lifestyle Daily reapplication, cushion compacts, and PA ratings as the norm. Read it →
- Filter chemistry Tinosorb M: The Filter That Both Absorbs and Reflects A hybrid filter that breaks the chemical-vs-mineral binary. Read it →
- Sensitive skin Mineral vs Chemical Sunscreen for Sensitive Skin Which is actually gentler — and the nuance everyone skips. Read it →
- UV science Does UV Come Through Your Car Windshield? (Tested) Your commute may be quietly aging one side of your face. Read it →
- Formulation Why Mineral Sunscreens Leave a White Cast (Real Science) It's particle size and visible light doing it, not your technique. Read it →
- Application The Teaspoon Rule for Your Whole Body One ounce, about a shot glass — and almost nobody uses that much. Read it →