维生素D也是合成的皮肤暴露在阳光下。
Vitamin D is also synthesised by the skin when exposed to sunlight.
刺激天然抗生素的合成，使皮肤重新恢复平衡。
This product can inspire the synthesis of natural antibiotics to make the skin restore balance.
黑皮肤的人合成维生素d更难。
People with dark skin have more difficulty making the vitamin.
黑皮肤的人合成维生素d更难。
People with dark skin have more difficulty making the vitamin.
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