Sunscreen Ranker journal
The sunscreen
journal.
Daily, evidence-led notes on SPF, UV filters, and sun protection — every claim sourced, no cap.
- Global What the FDA Actually Requires to Approve a Sunscreen Filter Why 'it's safe in Europe' isn't enough for US approval. Read it →
- Trends DIY Sunscreen Is Dangerous — Here's the Chemistry Why That viral 'natural sunscreen' recipe offers basically zero protection. Read it →
- Skin cancer Does Sunscreen Really Prevent Skin Cancer? The Landmark Trial The Nambour study that changed dermatology, explained. Read it →
- Filter chemistry Uvinul A Plus and Uvinul T 150: The Quiet Overachievers Two German-engineered filters doing heavy lifting in global sunscreens. Read it →
- Sensitive skin Why Your Sunscreen Stings Your Eyes (and How to Stop It) It's usually not the filters — it's the formula migrating. Read it →
- UV science The Electromagnetic Spectrum, but Make It Skincare UVC, UVB, UVA, visible, infrared — what hits your skin and what doesn't. Read it →
- Global Europe vs America vs Asia: Who Makes the Best Sunscreen? A regulatory and formulation showdown. Read it →
- Seasonal February Sun Is Stronger Than You Think (Especially on Snow) Late-winter UV is climbing back up — don't get caught off guard. Read it →
- Filter chemistry The Complete Beginner's Guide to Next-Gen UV Filters Tinosorb, Uvinul, Mexoryl — decoded once and for all. Read it →
- Trends January's Skincare Trend Report: What's Worth It, What's Noise Cutting through the new-year skincare hype with science. Read it →
- Global Why You Can't Legally Buy That Viral Japanese Sunscreen in the US Importing that viral Japanese sunscreen is a gray area, and the reason is regulatory. Read it →
- Formulation What 'Photostable' Actually Means on a Sunscreen Label Not all filters survive the sun they're supposed to block. Read it →
- UV science Visible Light Is the Sun-Damage Factor Nobody Talks About Both your screen and the sun emit visible light, and it can darken skin. Read it →
- Seasonal Winter Lips Need SPF Too Your lip balm should be doing more than moisturizing. Read it →
- Application Does SPF 100 Actually Do Anything? The diminishing-returns math, settled. Read it →
- Trends Gen Z Forgets Sunscreen More Than Any Generation — The Data 64% of Gen Z respondents admit they often skip sunscreen, so let's fix the friction. Read it →
- Filter chemistry Why Avobenzone Needs a Bodyguard Called Octocrylene The most common US UVA filter has a stability problem. Read it →
- Global What PA++++ Means on Your Asian Sunscreen Those plus signs are a UVA rating system the US doesn't use. Read it →
- Skin cancer The ABCDEs of Checking a Mole (Save This) A 30-second self-check can catch melanoma while it's still early and treatable. Read it →
- Sensitive skin The Best Sunscreen Texture for Oily, Acne-Prone Skin in Winter Cold weather forces a trade-off between hydration and breakouts, and the right texture settles it. Read it →
- UV science How Sunscreen Actually Works (Absorb vs Reflect) The chemical vs mineral mechanism, minus the fearmongering. Read it →
- Seasonal Snow Blindness Is a Real Sunburn — Of Your Eyes Photokeratitis ruins ski trips. Here's how to dodge it. Read it →
- Filter chemistry Mexoryl 400: The Filter Built for the UVA Rays Everyone Ignored Ultra-long UVA1 is the final frontier of photoprotection. Read it →
- Trends Is Sunscreen Actually Bad for You? A Calm, Sourced Answer The anti-sunscreen panic, addressed without the drama. Read it →