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Tips about SPF
SPF 1 = 15 minutes
SPF calculation method when you make-up
= Sum of make-up products SPF
ratings / Quantity of products
SPF
the degree to block UV B which blackens flesh
calculation: 계산, sum : 합, quantity: 개수(양) , /= 나누기
divide:나누다.
PA
the degree to block
UV A which makes freckles
degree: 정도 , UV(ultraviolet): 자외선 , flesh: 피부 , blacken: 검게 만들다 , freckle: 주근깨
1. What Is SPF and PA?
2. About SPF rating
3. Tips about SPF
4. Importance of sunblock
5. Video
leports (leisure + sports)