As the UK National Health Services explains, for years, dermatologists have been noticing that people who have had acne show signs of ageing later than those who have never had the skin condition.

英国国家卫生服务解释说，多年来，皮肤科医生已经注意到有痤疮的人显示出衰老的迹象比那些从未有过的皮肤状况的人要晚很久。

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Applicable to: any skin. It is suggested to be used for people who work with PC for long time, and who have flush skin, blood streak or acne signs.

适用肌肤：任何肌肤，推荐长期面对电脑工作或肤色偏红、有红血丝痘印困扰肌肤使用。

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Acne is a dermatosis marked by chronic inflammation of the hair follicle and sebaceous glands. People, who are in adolescence, have this disease frequently.

痤疮是临床常见的多发性毛囊皮脂腺的慢性炎症性皮肤病，发病率较高，易反复发作。

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Generally, people who have mild acne can be treated with topical treatments, and those with moderate acne through a combination of topical and systemic treatments such as isotretinoin, says David Pariser, dermatology professor at Eastern Virginia Medical School in Norfolk and principal investigator of clinical trials with Oslo-based specialty drug maker Photocure, which is developing a photodynamic treatment for moderate-to-severe acne.

WSJ: As More Adults Get Acne, New Photodynmic Treatments Use Light