属于蛋白质纤维，丝素中含有18种对人体有益的氨基酸，可以帮助皮肤维持表面脂膜的新陈代谢，故可以使皮肤保持滋润、光滑、细腻。
Belong to protein fiber, silk contains 18 kinds of amino acids helpful to human body, can help skin maintain surface lipid membrane metabolism, so can make the skin keep moist, smooth and fine.
属于蛋白质纤维，丝素中含有18种对人体有益的氨基酸，可以帮助皮肤维持表面脂膜的新陈代谢，故可以使皮肤保持滋润、光滑、细腻。
Belong to protein fiber, silk contains 18 kinds of amino acids helpful to human body, can help skin maintain surface lipid membrane metabolism, so can make the skin keep moist, smooth and fine.
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