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
SPF, PA
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March 2009
About this Entry
This page contains a single entry by Pank published on August 22, 2005 9:57 PM.
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