到了1897年，一种取自柳树的活性成分柳醇(水杨苷)的衍生合成物——乙酰水杨酸诞生了。
By 1897 a synthetic derivative (acetyl salicylic acid) of the plant's active ingredient (salicin) was created.
当樟脑和水杨酸甲酯应用到大面积皮肤或与热相结合时会引起中毒，主要是由于提高对有效成分的吸收。
Methyl salicylate and camphor also may be poisonous when applied to a large area of the skin, or when combined with heat to increase absorption of the active ingredients.
其他含有水杨酸(大多数治疗痤疮的产品中的主要成分)的化妆品也会使你的皮肤受益。
Other makeup products that contain salicylic acid (acne fighting ingredient used in most acne products) may also benefit you.
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