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1.Collagen is essential for skin health and can be found in collagen supplements.
胶原蛋白对皮肤健康至关重要，可以在胶原蛋白补充剂中找到。
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2. The collagen supplement helped improve my skin's elasticity.
这个胶原蛋白补充剂帮助改善了我的皮肤弹性。
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3. Collagen is often used to treat wounds and scars, as it helps promote tissue repair.
胶原蛋白常用于治疗伤口和疤痕，因为它有助于促进组织修复。