Sunscreen Ranker journal
The sunscreen
journal.
Daily, evidence-led notes on SPF, UV filters, and sun protection — every claim sourced, no cap.
- Skin cancer Skin Cancer in Skin of Color: The Dangerous Myth Darker skin can and does get skin cancer — often diagnosed late. Read it →
- Sensitive skin Sunscreen for Rosacea-Prone Skin Calming the redness instead of triggering it. Read it →
- Filter chemistry Octocrylene: Useful Stabilizer or Overused Filler? The most debated workhorse filter, examined. Read it →
- Trends March Trend Watch: The Sunscreens Going Viral This Spring What's blowing up on TikTok — and whether it's worth buying. Read it →
- Application Reapplying Sunscreen Without a Sink: Travel Hacks Practical reapplication for planes, hikes, and road trips. Read it →
- UV science UV Index 3+: Your Daily Sunscreen Trigger The simplest rule for when to bother with SPF. Read it →
- Global The Real Reason European Sunscreens Cost Less per Bottle It comes down to regulation, scale, and the cosmetic-vs-drug divide. Read it →
- Formulation Niacinamide + SPF: A Power Pairing for Spring Why this combo supports your barrier under UV stress. Read it →
- Skin cancer The Truth About Tanning Beds and Melanoma Risk Indoor tanning is a Group 1 carcinogen. Here's the data. Read it →
- Application Do You Apply Sunscreen Before or After Moisturizer? The layering-order debate, resolved. Read it →
- Sensitive skin Spring Allergies and Reactive Skin: Choosing a Calm Sunscreen When your skin is already irritated, your SPF shouldn't make it worse. Read it →
- Filter chemistry Zinc Oxide: The Original Broad-Spectrum Filter The mineral workhorse, fully explained. Read it →
- UV science What Causes a Sunburn at the Cellular Level Inflammation, DNA damage, and that delayed redness, explained. Read it →
- Trends Fact-Checking the 'You Don't Need Sunscreen' Influencers Where wellness content quietly crosses into dangerous advice. Read it →
- Application The Nickel-Sized Myth: How Much Face Sunscreen Is Right Forget vague analogies; here's the measured amount. Read it →
- 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 →