SPF, PA

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SPF和PA 防曬係數有兩種!
SPF (Sun Protection Factor) 美國標準
  SPF15 延緩曬紅時間 15 倍
PA 日本標準
  PA+ 延緩曬紅時間 2~4 倍
  PA++ 延緩曬紅時間 4~8 倍
  PA+++ 延緩曬紅時間 8 倍以上
不要迷信SPF係數30以上沒有防曬意義!
市面上常看到 SPF 30 以上的防曬乳液豈不是裝孝維

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This page contains a single entry by Pank published on August 22, 2005 9:57 PM.

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