Category
Sunburn Care
What a Sunburn Really Is (and Why Prevention Beats Any Cure)
A sunburn isn't just pink skin — it's a visible sign of DNA damage and an inflammatory response that has to run its own course. Here's what's actually happening under the skin, why redness shows up late, why it can't be undone once it starts, and why the tools on this site exist to help you avoid one in the first place.
Your Sunburn Risk Score, Explained With Worked Examples
The Sunburn Risk Score folds UV index, skin type, time outside, SPF, altitude, and reflective surfaces into one 0–100 number. Here's exactly how each factor moves that number, worked out across a beach day, a ski day, and a shaded pool afternoon.