Topic
UV Science Basics
articles.
Every UV Science Basics article in the journal — sourced, science-led, zero hype.
- UV science Why UVA Levels Stay High Into Fall The aging ray doesn't take a seasonal break. Read it →
- UV science The Difference Between SPF and PA Ratings Two numbers, two jobs — know both. Read it →
- UV science How Long Does It Take to Burn at UV Index 10? The terrifyingly short answer for peak-summer days. Read it →
- UV science Why Your Sunscreen Should Say 'Broad Spectrum' in July Peak season is no time for UVB-only protection. Read it →
- UV science Why the Sun Feels Hotter but UV Is the Real Threat Heat and UV aren't the same thing — and confusing them burns people. Read it →
- UV science The UV Index Will Peak Soon — Here's What That Means Late spring is when UV starts climbing toward its summer high. Read it →
- UV science Why Sunscreen Is the Cheapest Anti-Aging Product You'll Buy A $15 bottle outperforms a $150 serum for aging. Read it →
- UV science What Happens to Your DNA When You Tan There's no such thing as a healthy tan. Read it →
- UV science Why Sun Damage Is 90% of Visible Aging The wrinkles you blame on age are mostly the sun. Read it →
- UV science How Much UV Does Glass Block? (Office, Car, Home) A window-by-window breakdown of what glass really blocks. Read it →
- UV science Why Your Phone's Weather App Knows the UV Index How UV forecasting actually works. Read it →
- UV science The Science of 'Persistent Pigment Darkening' (PPD) The UVA effect behind Asia's PA rating system. Read it →
- UV science Cumulative Sun Damage: Why It All Adds Up Every unprotected minute is a deposit in the damage bank. Read it →
- UV science Why Latitude Changes How Much Sun Protection You Need Living closer to the equator changes the UV math. Read it →
- UV science Infrared Radiation and Your Skin: Should You Care? The heat part of sunlight has its own effects. Read it →
- UV science UV Index 3+: Your Daily Sunscreen Trigger The simplest rule for when to bother with SPF. Read it →
- UV science What Causes a Sunburn at the Cellular Level Inflammation, DNA damage, and that delayed redness, explained. 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 →
- UV science Why UVA Is Called the 'Aging Ray' A deep look at the wavelength behind your wrinkles and dark spots. Read it →
- UV science How Free Radicals From UV Actually Damage Your Skin The molecular story behind sunburn and photoaging. Read it →
- UV science Does UV Come Through Your Car Windshield? (Tested) Your commute may be quietly aging one side of your face. 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 →
- 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 →
- UV science How Sunscreen Actually Works (Absorb vs Reflect) The chemical vs mineral mechanism, minus the fearmongering. Read it →