Good reads. Sunny days.
Practical reads to help you choose, apply and understand sunscreen.
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Coppertone Recalls 5 Spray Sunscreens Over Benzene (2025) Read article →
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Tinted SPF Beat Clear Sunscreen for Melasma in a 2025 Trial
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Tinted Sunscreen Beats Clear SPF for Melasma: A 2025 Randomized Summer Trial
Latest blog posts
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Formulation 2025 Trial: Tinted Sunscreen Beat Untinted for Evening Out Melasma If you have melasma, the tint isn't just cosmetic — a 2025 trial shows iron-oxide color doing real work against the visible light that plain SPF lets through. Read article →
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Seasonal The Summer Solstice and Your Skin: Why Late June Brings the Year's Highest UV The longest day of the year is also the most intense — here's how the solstice translates to a concrete sun-protection takeaway. Read article →
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Trends Do People With Dark Skin Need Sunscreen? Debunking a Dangerous Melanin Myth Melanin helps — but nowhere near as much as the myth claims, and the consequences of believing it can be deadly. Read article →
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Application How to Actually Use Spray Sunscreen So It Works A quick spritz leaves you barely protected — here's how to use spray SPF so it actually does its job. Read article →
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Skin cancer Driver's-Side Skin Cancer: Why UVA Through Car Windows Hits Your Left Arm Your commute is sun exposure you've never accounted for — and the data shows it shows up on your left side. Read article →
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UV science UV Radiation Isn't Heat: Why You Can Burn on a Cold, Cloudy Day Your skin senses heat, not UV — which is exactly why a cold, overcast day can hand you a sunburn you never saw coming. Read article →
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Sensitive skin Acne Dark Spots: Why Sunscreen Is the Most Proven Way to Stop PIH If you're chasing serums to fade acne marks, you're skipping the single highest-evidence step — daily SPF is what stops post-inflammatory hyperpigmentation from getting worse. Read article →
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Seasonal Spring Is the Sneakiest Sunburn Season: Why March–May Catches You Off Guard Cool air fools you into skipping SPF — but by late spring the sun is already as strong as late summer, on skin that hasn't seen the sun all winter. Read article →
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Skin cancer Huge VA Study: Vitamin B3 Cut Repeat Skin Cancers by Up to 54% A cheap over-the-counter B3 supplement showing this much benefit reframes skin cancer prevention beyond sunscreen alone — especially for people who've already had one. Read article →
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Filter chemistry A September 2025 Meta-Analysis Reopens the Sunscreen-and-Melanoma Debate Headlines claiming sunscreen 'doesn't prevent melanoma' need context — here's why observational studies are messy and why dermatologists still strongly recommend SPF. Read article →
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Seasonal Japan's Hottest Summer on Record: What It Means for Daily UV Protection Record heat means more hours of intense sun and more reasons to reapply — the climate backdrop behind Japan's obsession with high-PA daily sunscreen. Read article →
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Filter chemistry Sunscreen Reform Made the MAHA Report: How 2025 Politics Pushed the FDA How did a long-stalled US sunscreen filter suddenly get momentum in 2025? The answer runs through Washington politics as much as chemistry. Read article →
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Filter chemistry Why Europe Reopened the Titanium Dioxide File in September 2025 Titanium dioxide is the backbone of mineral sunscreen — here's why the EU is taking another hard look at it in 2025 and what it could (and couldn't) mean for your SPF. Read article →
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Global Could Australia Scrap SPF Numbers? Inside the TGA's 2025 Label Overhaul Australia's sunscreen scandal triggered a regulatory rethink that could change what every SPF label looks like — here's whether dropping the numbers helps or hurts you. Read article →
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Trends Should You Skip Sunscreen for Vitamin D? What the Research Shows The 'sunscreen blocks vitamin D' argument sounds convincing online — but an international expert panel found the evidence doesn't back skipping SPF. Read article →
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Application A 'Base Tan' Is Worth About SPF 3 — Why Pre-Tanning Backfires That pre-vacation tanning session feels protective, but a base tan is worth roughly SPF 3 — and getting it can raise your melanoma risk sharply. Read article →
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Global Which? 2025: A £28 Sunscreen and a £3.75 Spray Both Failed Price is no guarantee — in Which?'s 2025 test a premium £28 sunscreen failed UVA while a £3.75 spray failed SPF, both earning a 'Don't Buy.' Read article →
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UV science Sun-D Trial 2025: Daily High-SPF Lowered Vitamin D — Supplement, Don't Skip A 2025 randomized trial found daily high-SPF sunscreen nudged vitamin D down — but the answer is a supplement, not skipping your sunscreen. Read article →
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Skin cancer The Shot-Glass Rule: How Much Sunscreen You Really Need The most common reason sunscreen fails isn't the formula — it's that most people use a quarter of what they should. Here's the fix. Read article →
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UV science Yes, Darker Skin Needs Sunscreen Too — Here's the Science Melanin helps, but it's not a force field — and the survival gap in skin cancer for people of color shows why everyone needs sun protection. Read article →
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Sensitive skin Tinted Sunscreen and Iron Oxides: The Visible-Light Defense for Melasma If you have melasma or stubborn dark spots, your untinted SPF may be leaving a gap — and iron oxides are the ingredient that closes it. Read article →