地瓜表皮的红色是由于含有叶红素，这种物质会保持皮肤的酸碱度，抗击干燥促进细胞更新，使肌肤光滑。

Beta-carotene which makes these tubers orange balances your skin's pH helps combat dryness and promotes cell turnover all resulting in smoother skin.

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地瓜表皮的红色是由于含有叶红素，这种物质会保持皮肤的酸碱度，抗击干燥促进细胞更新，使肌肤光滑。

Beta-carotene which makes these tubers orange balances your skin's pH helps combat dryness and promotes cell turnover all resulting in smoother skin.

youdao