Sunscreen Ranker journal
The sunscreen
journal.
Daily, evidence-led notes on SPF, UV filters, and sun protection — every claim sourced, no cap.
- Application The Sunscreen Amount That Actually Matches the Label Awareness-month deep dive on the 2 mg/cm² problem. Read it →
- UV science Why Sun Damage Is 90% of Visible Aging The wrinkles you blame on age are mostly the sun. Read it →
- Skin cancer How to Find a Free Skin Cancer Screening This May Awareness month perks you should actually use. Read it →
- Skin cancer Melanoma Monday: Know the Warning Signs The first Monday of May is your reminder to check your skin. Read it →
- Trends Skin Cancer Awareness Month: Debunking the Year's Worst SPF Myths Clearing up misinformation when it matters most. Read it →
- Skin cancer The Five Sunscreen Habits That Cut Skin Cancer Risk Most Evidence-ranked, not vibes-ranked. Read it →
- Skin cancer May Is Skin Cancer Awareness Month: Start Here The one month to reset your relationship with the sun. Read it →
- Formulation The Role of Emulsifiers in Why Sunscreen 'Runs' Into Your Eyes The formulation culprit behind sunscreen stinging your eyes. Read it →
- Sensitive skin Decoding 'Hypoallergenic' and 'Non-Comedogenic' on SPF Labels What 'hypoallergenic' and 'non-comedogenic' actually guarantee—and what they don't. Read it →
- Application Sunscreen for Your Scalp, Ears, and Other Forgotten Spots The high-risk areas most people forget to cover. Read it →
- Global Why the EU Updates Its Filter List and the US Doesn't (Often) Why the EU and US approve sunscreen filters at two very different speeds. Read it →
- UV science How Much UV Does Glass Block? (Office, Car, Home) A window-by-window breakdown of what glass really blocks. Read it →
- Formulation Water-Based vs Alcohol-Based Sunscreens The base of your sunscreen decides its feel, finish, and who it suits. Read it →
- Trends Is 'Sunscreen Contouring' Smart or Silly? We examined the viral technique of applying SPF strategically instead of all over. Read it →
- Skin cancer Melanoma's Survival Story: Why Early Detection Is Everything The survival gap between melanoma caught early and caught late is enormous. Read it →
- Filter chemistry Why Octinoxate Is Falling Out of Favor How octinoxate went from sunscreen staple to banned-in-Hawaii filter. Read it →
- Sensitive skin Eczema-Prone Skin and Sunscreen: A Gentle Approach How to protect compromised skin without triggering flare-ups. Read it →
- Application Reapplication Reality: A Realistic Beach Day Plan How to actually reapply for 8 hours in the sun. Read it →
- Global What 'Quasi-Drug' Means on a Japanese Sunscreen Decoding the regulatory label on your J-beauty favorite. Read it →
- UV science Why Your Phone's Weather App Knows the UV Index How UV forecasting actually works. Read it →
- Formulation How Tinted Sunscreens Protect Against Blue Light The iron-oxide science behind the color. Read it →
- Trends The 'SPF in Everything' Trend: Helpful or Hype? SPF moisturizers, primers, lip balms: do they actually count? Read it →
- Skin cancer Don't Wait for Summer: April Is When Damage Restarts Spring sun is already doing the work — protect now. Read it →
- Filter chemistry The Filters Behind Anthelios UVMune 400 Inside the formula that made ultra-long UVA protection mainstream. Read it →