UV Demystified

Stories, ideas & perspectives — thoughtfully written, beautifully told.

Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦ Clear answers about UV radiation and sun safety ✦

Cover story

Decoding Your Sunscreen Label: The Truth Behind SPF Numbers and Broad-Spectrum Claims

Most Americans choose sunscreen based on SPF numbers alone, but that single figure tells only part of the story. Understanding the distinct roles of UVA and UVB radiation—and what your label actually measures—can mean the difference between genuine protection and a false sense of security. This guide cuts through the marketing noise to give you the science you need.

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Latest Articles

UV Exposure & Lifestyle

Glass, Screens, and the Work-From-Home Era: How Much UV Radiation Actually Reaches You Indoors

As remote work and screen-heavy lifestyles become the norm across the United States, questions about indoor UV exposure have moved from niche dermatology circles into everyday conversation. But how much UV radiation genuinely penetrates your office window or car windshield—and should you be concerned about your laptop screen? The answers may surprise you, and they carry real implications for how you approach daily sun protection.

Jul 25, 2026