Sunscreen Ranker journal
The sunscreen
journal.
Daily, evidence-led notes on SPF, UV filters, and sun protection — every claim sourced.
- UV science UV Index 3+: Your Daily Sunscreen Trigger The simplest rule for when to bother with SPF. Read article →
- Global The Real Reason European Sunscreens Cost Less per Bottle It comes down to regulation, scale, and the cosmetic-vs-drug divide. Read article →
- Formulation Niacinamide + SPF: A Power Pairing for Spring Why this combo supports your barrier under UV stress. Read article →
- Skin cancer The Truth About Tanning Beds and Melanoma Risk Indoor tanning is a Group 1 carcinogen. Here's the data. Read article →
- Application Do You Apply Sunscreen Before or After Moisturizer? The layering-order debate, resolved. Read article →
- 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 article →
- Filter chemistry Zinc Oxide: The Original Broad-Spectrum Filter The mineral workhorse, fully explained. Read article →
- UV science What Causes a Sunburn at the Cellular Level Inflammation, DNA damage, and that delayed redness, explained. Read article →
- Trends Fact-Checking the 'You Don't Need Sunscreen' Influencers Where wellness content quietly crosses into dangerous advice. Read article →
- Application The Nickel-Sized Myth: How Much Face Sunscreen Is Right Forget vague analogies; here's the measured amount. Read article →
- Global Why Japanese Sunscreens Feel So Elegant The texture engineering behind the cult favorites. Read article →
- Formulation The Science of Why Some Sunscreens Feel Greasy Oil phase, filters, and finish: what really drives the slip. Read article →
- Skin cancer Spring Break Sun Safety That Doesn't Kill the Vibe Sun protection that fits a beach trip, not a lecture. Read article →
- Application Mineral vs Chemical Sunscreen: The Honest Comparison No tribalism, just what each type actually does well. Read article →
- 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 article →
- Global The Sunscreens Europeans Have That Americans Desperately Want A wishlist of formulas stuck at the U.S. border. Read article →
- Formulation What Makes a Sunscreen Water-Resistant (and Why None Are Waterproof) The FDA banned the word 'waterproof,' and the science explains why. Read article →
- UV science Why UVA Is Called the 'Aging Ray' A deep look at the wavelength behind your wrinkles and dark spots. Read article →
- 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 article →
- Trends 'Sunscreen Causes Cancer' — Tracing Where the Myth Came From We followed a single piece of misinformation back to its source. Read article →
- Filter chemistry Why the US Sunscreen Aisle Looks Frozen in Time The regulatory backstory of why U.S. sunscreen innovation stalled, and why that's finally changing. Read article →
- Sensitive skin Fungal-Acne-Safe Sunscreen: Does It Exist? How to tell which sunscreens won't feed Malassezia. Read article →
- Global Australia's SPF Standards Are Among the World's Strictest The country with the highest skin cancer rates also has the toughest rules. Read article →
- Formulation Antioxidants in Sunscreen: Hype or Help? Vitamin C, vitamin E, and the Pinnell research that kicked off the whole idea. Read article →