冻干粉对痘坑有效吗(冻干粉对痘坑多久见效)

综合百科2023-11-07 05:24:47佚名

冻干粉是不能消除痘坑的,这个是错误的说法。冻干粉是在无菌环境下将药液冷冻成固态,抽真空将水分升华干燥而成的无菌粉注射剂。冻干粉是采用冷冻干燥机的真空冷冻干燥法预先将药液里面的水分冻结,然后在真空无菌的环境下将药液里面被冻结的水分升华,从而得到冷冻干燥而成。简而言之,在低温环境下抽中药液里面的水份,保留其原有的药物作用。

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