Water was thought to carry disease into the skin; pores nicely clogged with dirt were a means to block it out.

水被认为会携带疾病侵入皮肤；毛孔让污垢好好的堵住被认为可以将疾病拒之门外。

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Zinc is a building block of the body and a deficiency in zinc can lead to stunted growth, diarrhea, impotence, hair loss, eye and skin lesions, impaired appetite, and depressed immunity.

锌是身体的基础材料，并且在缺锌可导致发育迟缓增长，腹泻，阳痿，脱发，眼睛和皮肤损伤，无食欲，和低下的免疫力。

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Protect your skin from the sun all year round with a sun block with an SPF of 30 or greater.

常年使用SPF30或防晒系数更高的防晒霜来保护皮肤。

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It's the vitamin associated with the sun that we absorb through our skin, and increasingly block out when we use sunblock, to avoid getting skin cancer.

VOA: standard.2010.05.28

Exposure to the sun's rays normally generates Vitamin D in the skin, but applying sun block stops that process.

BBC: Rickets warning over breastfeeding

Protein acts like a building block for your muscles and skin and organs.

CNN: What's the danger of an all-fruit diet?

Cosmetics, hair care companies Kenra, Sexy Hair and Alterna, and skin care brand Perricone MD, rumored to be on the block since May.

FORBES: Does L'Oreal Have A Beauty Secret That No One Else Knows?