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UV Science Basics articles.

Every UV Science Basics article on the blog — sourced, science-led, zero hype.

UV science 03 Apr 2026 Cumulative Sun Damage: Why It All Adds Up Every unprotected minute is a deposit in the damage bank. Read article →
UV science 30 Mar 2026 Why Latitude Changes How Much Sun Protection You Need Living closer to the equator changes the UV math. Read article →
UV science 22 Mar 2026 Infrared Radiation and Your Skin: Should You Care? The heat part of sunlight has its own effects. Read article →
UV science 15 Mar 2026 UV Index 3+: Your Daily Sunscreen Trigger The simplest rule for when to bother with SPF. Read article →
UV science 08 Mar 2026 What Causes a Sunburn at the Cellular Level Inflammation, DNA damage, and that delayed redness, explained. Read article →
UV science 01 Mar 2026 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 →
UV science 26 Feb 2026 Why UVA Is Called the 'Aging Ray' A deep look at the wavelength behind your wrinkles and dark spots. Read article →
UV science 18 Feb 2026 How Free Radicals From UV Actually Damage Your Skin The molecular story behind sunburn and photoaging. Read article →
UV science 12 Feb 2026 Does UV Come Through Your Car Windshield? (Tested) Your commute may be quietly aging one side of your face. Read article →
UV science 04 Feb 2026 The Electromagnetic Spectrum, but Make It Skincare UVC, UVB, UVA, visible, infrared — what hits your skin and what doesn't. Read article →
UV science 28 Jan 2026 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 article →
UV science 20 Jan 2026 How Sunscreen Actually Works (Absorb vs Reflect) The chemical vs mineral mechanism, minus the fearmongering. Read article →
UV science 13 Jan 2026 Why Clouds Are Not Sunscreen Overcast doesn't mean off-duty for your skin. Read article →
UV science 08 Jan 2026 What the UV Index Actually Means (and When to Care) That little number in your weather app is more useful than you think. Read article →
UV science 04 Jan 2026 UVA vs UVB, Explained Like You're Scrolling at 2AM The single most useful thing to understand about sun damage, in 60 seconds. Read article →
UV science 31 Dec 2025 The Spots Everyone Misses: Ears, Scalp, Lips, and Tops of the Feet The places you forget to cover — ear tops, the part in your hair, your lips, the backs of your hands — are exactly where skin cancers like to start. Read article →
UV science 30 Dec 2025 Sun Damage Adds Up: How a Lifetime of UV Becomes Spots and Precancers The five-minute walks and sunny commutes you forgot about are quietly compounding into the spots and precancers that show up after 40. Read article →
UV science 29 Dec 2025 Does Sunscreen Expire? When to Toss Last Summer's Bottle FDA rules mean your bottle should hold its SPF for three years — but a summer in a hot car can quietly cut that short. Read article →
UV science 27 Dec 2025 What UPF Really Means on Clothing (and When Fabric Beats SPF) A UPF 50 shirt blocks 98% of UV all day without a single reapplication — here's how that label actually works. Read article →
UV science 25 Dec 2025 Does Sunscreen Block Vitamin D? Balancing Sun Safety and Vitamin D The 'but I need sun for vitamin D' objection to daily sunscreen, settled with the AAD's actual position. Read article →
UV science 03 Dec 2025 Tanning Beds and Melanoma: The Hard Numbers Behind the Carcinogen Label Indoor tanning isn't a gray area - it sits in the same cancer-risk category as tobacco, and the numbers explain why. Read article →
UV science 01 Dec 2025 UV and Your Eyes: Why Sunglasses Need to Block 100% (Not Just Look Dark) You protect your skin from UV - but the part most people forget is sitting right behind those sunglasses. Read article →
UV science 28 Nov 2025 The Hidden Harm of UV: How Sunlight Quietly Disarms Your Immune System Beyond burns and wrinkles, UV does something most people never hear about - it temporarily switches off part of your skin's defenses. Read article →
UV science 25 Nov 2025 How UV Light Ages Your Skin: The Science of Photoaging Daily sunscreen is the most evidence-based anti-aging step there is, and the science of photoaging explains exactly why. Read article →