Read all 4 for the Sun stampFree to read here, in any order, and the stamp lives in your Skin Passport in the Nubia app 4 parts, any order
- 1
Part 1 · 8 min readHow much sunscreen for your face? Two fingers, at leastFace, neck and body amounts, why the experts disagree, and how fast your tube should run out - 2
Part 2 · 8 min readSPF 30 vs 50: what the extra 20 really buys youThe 1% that isn’t really 1%, UVA labels decoded, and who should pick 50 - 3
Part 3 · 6 min readWhat does the UV index mean? Every number, explained0 to 11+, the line at 3, why burn-time charts mislead, and the places UV runs higher than the forecast - 4
Part 4 · 6 min readHow often should you reapply sunscreen, even over makeup?Every 2 hours outside, what water resistant really means, desk days, and the top-ups that work over makeup