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Sunblock

https://www.facebook.com/725169110853515/videos/805124132858012/

Tips about SPF

What is SPF and PA?

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

Contents

Video

1. What Is SPF and PA?

2. About SPF rating

3. Tips about SPF

4. Importance of sunblock

5. Video

About SPF rating

  • SPF 8~12: Light walking
  • SPF 15~25: Outdoor sports
  • SPF 20~30: Short summer leisure sports
  • SPF 50: Skiing
  • SPF 50+: Long time outdoor activities

leports (leisure + sports)

Importance of sunblock

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