事实上，美学专家已经通过实际研究证实了婴儿油和糖的混合物能够提供一种十分有效的去死皮方法。
Indeed, beauty experts have demonstrated through actual research that the combination of baby oil and sugar provides a most effective method for exfoliating skin.
新研究评述道，这些研究其实是存在缺陷的，因为他们是依据婴儿在喂糖之后面部表情由皱着脸蛋变为放松来作为有效的证明。
But those studies were flawed because they relied on the change in the baby's facial expression upon receiving the sugar, from puckered-up to relaxed, as proof that it works, the new study says.
木糖醇是一种天然的甜味剂，芬兰人最初发现它可以有效预防龋齿。
A naturally occurring sweetener, xylitol had primarily been known in Finland for its effectiveness in preventing tooth decay.
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