Sunscreen Ranker journal
The sunscreen
journal.
Daily, evidence-led notes on SPF, UV filters, and sun protection — every claim sourced, no cap.
- Reef-safe Why Hawaii Banned Oxybenzone and Octinoxate: Inside Act 104 Exactly which sunscreens you can legally buy in Hawaii — and why the state restricted two specific chemicals first. Read it →
- Sensitive skin Choosing Sunscreen for Acne-Prone Skin: What 'Non-Comedogenic' Means Decode the single most-searched label term for breakout-prone skin and turn it into a simple buying checklist. Read it →
- Seasonal WMO: 2015–2025 Are the 11 Warmest Years Ever Recorded An unbroken streak of record-warm years means longer, more intense high-UV seasons — and a stronger case for daily SPF. Read it →
- Global Maui's All-Mineral Sunscreen Rule: What's Banned and the $1,000 Fine Hawaii's state ban covers two chemicals — but Maui bans every chemical sunscreen, and getting it wrong can cost you a fine. Read it →
- Trends Sunscreen Misinformation Online Has Put 16 Million Americans at Risk The anti-sunscreen content in your feed isn't a fringe niche — it's a measurable public-health problem affecting millions. Read it →
- Application Powder and Spray SPF Are Touch-Ups, Not Coverage: 2025 Consensus Dusting on SPF powder or misting setting spray won't get you to the number on the label — it's a top-up, not your base. Read it →
- Sensitive skin Bioré Goes Mineral: Kao's First UV-Absorber-Free Aqua Rich Arrives Japan's biggest mass sunscreen brand finally brings a fully UV-absorber-free Aqua Rich for sensitive skin. Read it →
- Skin cancer A 2025 Study Tracks Rising Surface UV Against Global Melanoma, 1990–2021 Three decades of data link climbing surface UV to melanoma — the big-picture 'why protection matters more now' behind every product choice. Read it →
- Seasonal January 2025 Was the Hottest January on Record — Even With La Niña Record warmth during a 'cooling' La Niña is a reminder that winter is no longer a season to skip SPF. Read it →
- Formulation Zinc Oxide vs. Titanium Dioxide: Which Mineral Filter Covers More Spectrum The two mineral filters aren't interchangeable — here's why zinc oxide covers more of the UVA spectrum and why so many formulas use both. Read it →
- UV science What SPF Actually Measures — and the Math Behind 15 vs 30 vs 50 SPF 100 isn't twice as protective as SPF 50 — here's the real math behind the number on the bottle. Read it →
- Formulation Beauty of Joseon Launches Its First 100% Mineral Tinted Sunscreen in 12 Shades A fully mineral tinted fluid in 12 shades that takes direct aim at the white-cast problem keeping skeptics on chemical filters. Read it →
- Kids & family What SPF Should Kids Use? Dermatologists Say SPF 30+ Broad-Spectrum One clear, authority-backed minimum for every child's sunscreen — no more guessing at the drugstore shelf. Read it →
- Global The EU's 2025 Sunscreen Compliance Calendar, Decoded Why your favorite European sunscreen quietly reformulated in 2025 — a plain-English timeline of the year's UV-filter deadlines. Read it →
- Makeup + SPF Is the SPF in Your Makeup Actually Enough Sun Protection? Your tinted moisturizer says SPF 30, but here's why dermatologists still want a real sunscreen underneath it. Read it →
- Skin cancer 5.4 Million Cases a Year: The Skin Cancer Number No One Talks About Nonmelanoma skin cancers dwarf melanoma in sheer numbers and are almost entirely caused by UV, so daily protection lowers your odds across the board. Read it →
- Reef-safe What Hawaii's Sunscreen Ban Actually Covers (It's Narrower Than You Think) Hawaii's famous ban covers only two ingredients, which is exactly why a Hawaii compliant label does not mean a product is reef-safe. Read it →
- Sensitive skin Sensitive-Skin SPF Goes to Trial: 2025 Studies Measure Barrier Repair Gentle and for sensitive skin are marketing terms until someone measures the barrier, and 2025 brought controlled trials doing exactly that. Read it →
- Seasonal A Three-Year Stretch Just Averaged Above 1.5°C: The New Sun-Exposure Baseline The 1.5°C line everyone talks about has effectively been crossed on a multi-year basis, normalizing the heat-and-sun extremes that make year-round UV protection sensible. Read it →
- Global Japan's Sun-Care Boom: How Daily High-PA SPF Became a Skincare Step In Japan, sunscreen is not a beach product but a daily skincare step, and the market data reveals the habit the rest of the world is now copying. Read it →
- Trends Why Sunscreen Lies Travel Faster Than the Truth on TikTok Knowing why anti-sunscreen videos go viral helps you spot the next one, so here is the playbook misinformation uses and how to fact-check your feed. Read it →
- Application Surfrider's 2025 Reef-Friendly Guide: 12 Sunscreen Ingredients to Skip Skip the marketing buzzwords and check the back of the bottle against the actual ingredient list a leading ocean nonprofit flagged in 2025. Read it →
- Skin cancer Skin Cancer Is Not Just a Fair-Skin Disease: Closing the Melanoma Gap Melanoma can be deadlier for people of color because it is caught late, which makes awareness and skin checks essential for everyone. Read it →
- Formulation Bemotrizinol: The First New US Sunscreen Filter in Decades You keep hearing bemotrizinol is finally coming to American shelves, so here is what it is, what it protects against, and why it took so long. Read it →