It contains many herbal formulas, such as menthol, camphor and mint oil, that its fans claim keep their skin cool.

清凉油含薄荷醇、樟脑及薄荷油等草本成分，据说可以使皮肤保持凉爽感。

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Made from menthol, camphor, mint oil and other ingredients, the ointment is pungent and touted as a remedy for maladies from headaches and mosquito bites to nausea and foot corns.

清凉油的成分包括薄荷脑、樟脑、薄荷油，闻起来有点刺鼻，但是可以缓解头痛，止痒，防止晕车晕船，甚至还能治疗鸡眼。

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Objective: to establish the contents determination method of (-) -menthone, menthol, cinnamic aldehyde in Po Sum on oil by capillary column gas chromatography.

目的：采用高效毛细管气相色谱法同时测定保心安油中(-)-薄荷酮、薄荷脑和桂皮醛的含量。

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