Sunscreen Ranker journal
The sunscreen
journal.
Daily, evidence-led notes on SPF, UV filters, and sun protection — every claim sourced, no cap.
- Makeup + SPF Your SPF Moisturizer Is Missing Your Eyelids, a Study Shows UV imaging caught what your mirror can't: SPF moisturizers leave a surprising amount of your eyelid area — a high-risk skin cancer zone — unprotected. Read it →
- Sensitive skin No, the Sun Won't Clear Your Acne — Here's Why It Backfires Tanning a breakout away feels like it works for a day or two, but dermatologists say it damages your skin and can make acne worse. Read it →
- Skin cancer AACR 2025: How Aging Skin Reshapes Melanoma Risk New research presented at AACR 2025 helps explain why melanoma behaves more aggressively as we age — and why lifelong sun protection matters at every stage. Read it →
- Global Australia's 2025 Sunscreen Review Echoes the EU on Old Filters It's not just Europe — in 2025 Australia put the same legacy chemical filters under the microscope, and the verdicts are converging. Read it →
- Formulation Oral Photoprotection Works (a Little): 24% Higher Sunburn Threshold in 8 Weeks 'Edible SPF' is everywhere online — a 2025 trial shows a real but modest effect, and why it never replaces the bottle. Read it →
- Application e.l.f. Suntouchable Invisi-Stick SPF 50: The Clear Reapply-Anywhere Stick Stick sunscreens fix the #1 reason people skip reapplication — and e.l.f.'s clear SPF 50 makes the format affordable. Read it →
- Seasonal Why Snow Is a Sunburn Trap: Skiers Get Hit by UV Twice Cold doesn't mean safe — fresh snow can nearly double your UV exposure on the slopes. Read it →
- Global Drug vs. Cosmetic: Why US Sunscreen Rules Differ From Korea and Europe The reason foreign sunscreens can't just appear on US shelves comes down to one word: drug. Read it →
- Global Why Americans Are Panic-Hoarding Korean Sunscreen in 2025 Those 'buy it before it's gone' posts about Korean SPF aren't pure hype — here's what FDA rules really mean for the formula you love. Read it →
- Makeup + SPF Merit's The Uniform SPF 45 Expands to 20 Shades in 2025 Pigment-dispersion tech is letting zinc oxide work across deeper skin — and Merit's 2025 shade jump shows where tinted mineral SPF is headed. Read it →
- Makeup + SPF MERIT 'The Uniform' Tinted Mineral SPF 45 Hits 20 Shades (April 2025) Shade range has long been the weak spot for tinted mineral SPF — MERIT's April 2025 expansion to 20 shades takes aim at exactly that. Read it →
- Trends 'Sunscreen Contouring': The TikTok Hack Dermatologists Beg You to Skip The 'sunscreen contouring' hack sculpts your face by letting it burn — and that's exactly why dermatologists want it gone. Read it →
- Application Does Sunscreen Expire? What a 'No Date' Bottle Means Can you use last summer's bottle? The FDA's actual rule settles it — and a hot car changes the answer. Read it →
- Skin cancer One Blistering Childhood Sunburn Doubles Melanoma Risk A single blistering sunburn in childhood echoes for decades — and the numbers explain why sun habits have to start young. Read it →
- Formulation PA++++ vs. 'Broad Spectrum': How to Read UVA Protection That PA++++ on your Japanese sunscreen tells you something the US 'broad spectrum' label can't — here's how to decode both. Read it →
- UV science 2025 Trial: Polypodium + Red Orange Cut UVB Redness 46% A 2025 clinical trial gives the 'sunscreen pill' real numbers — but dermatologists are clear it supplements, never replaces, topical SPF. Read it →
- Sensitive skin 82% of Rosacea Patients Say Skincare Makes It Worse (2025 Survey) If your sunscreen stings, you're not imagining it — a 2025 survey of over 1,100 rosacea patients explains why, and points to a safer default. Read it →
- Filter chemistry EU Declares Benzophenone-1 Unsafe in Cosmetics (April 2025) Benzophenone-1 isn't a UV filter you slather on — it's a hidden cosmetic stabilizer, and in April 2025 EU scientists ruled it unsafe. Read it →
- Kids & family New Jersey Now Requires Every School to Adopt a Sunscreen Policy Signed March 31, 2025, New Jersey's new law lets students keep and reapply FDA-approved sunscreen at school with written parental permission — no doctor's note needed. Read it →
- UV science How to Check the UV Index Where You Live (Free EPA Tools) The EPA's free SunWise app gives location-based daily and hourly UV forecasts — plus ZIP-code lookups, a 4-day map, and email UV Alerts to plan your day. Read it →
- Makeup + SPF How Much SPF Foundation Would You Really Need for the Number on the Label? SPF is tested at 2 mg/cm² of product, but most people apply only a fraction of that in makeup — so your SPF 30 foundation isn't delivering SPF 30. Read it →
- Sensitive skin Does Sunscreen Cause Acne? Myth vs. Poor Formulation Choices Skipping SPF to avoid breakouts backfires — the right non-comedogenic formula protects skin without clogging pores and actually helps prevent post-acne dark spots. Read it →
- Seasonal The Broken-Cloud Effect: Why Partly Cloudy Skies Hit You With More UV The most dangerous sky isn't the clearest one — scattered clouds can boost surface UV-B above clear-sky levels, sometimes by 40%. Read it →
- Global Why the US Has Only 16 Sunscreen Filters While Europe Has ~30 Even after the FDA approved bemotrizinol in 2026, US formulators can use just 16 UV filters versus roughly 30 in Europe — here's why American sunscreen feels behind. Read it →