more details: sun exposure 10 to 15 minutes twice a week
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送交者: 湘女 于 2008-06-28, 13:19:30:
回答: 15 minutes or so a few times a week without sunscreen 由 湘女 于 2008-06-28, 13:14:34:
to the face, hands and back without sunscreen for light skin.
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