【日焼け止めリテラシー】良い日焼け止めを選ぶコツは?SPF測定会社さんと話して辿り着いた答え
Highlights (6)
The host visits an SPF testing facility to learn how SPF and PA are measured, including application amount, UV exposure, visual assessment, and water-resistance testing. The discussion explains why actual protection can vary with application thickness, spreading, skin characteristics, and laboratory variation. The video concludes with practical criteria for choosing a trustworthy sunscreen and presents レチノデイクリーム as a daily-use option, while noting that it is not water-resistant.
- How SPF and PA tests are conducted under ISO standards
- Why sunscreen powders are difficult to test and apply evenly
- Five suggested criteria for choosing a trustworthy sunscreen
- Features and water-resistance limitation of レチノデイクリーム


















