炎热夏季的到来,大气的气温与湿度都会随之增高。肌肤为了应付环境而加快皮肤细胞的更替,连同腺体也会分泌旺盛,如汗液大量分泌,导致皮脂腺酸度减低,皮肤趋向碱性,使皮肤抗病能力下降,细菌易于侵入;汗液中所含的盐分和废物的堆积对皮肤也有一定的危害。再加上皮脂腺分泌的油脂也因环境而分泌 The arrival of hot summer, the atmospheric temperature and humidity will increase. Skin in order to cope with the environment and accelerate the replacement of skin cells, together with the gland also exudes strong, such as a large amount of sweat secretion, resulting in reduced acidity of sebaceous glands, the skin tends to be alkaline, the skin resistance to decline, bacteria easily invaded; sweat contained Salt and waste accumulation on the skin also have some hazards. Coupled with sebaceous gland secretion of oil secretion due to the environment