过去我们配制冷霜用的基质处方是:处方:硬脂酸 90g甘油 90g氨溶液 16ml蒸馏水 450ml制法:先取硬脂酸,置水浴上熔化,在不断搅拌的情况下,徐徐加入氨溶液,然后加入蒸馏水,随加随搅拌,最后加入甘油,搅拌至冷凝即得。但成品冷凝后,往往结成较碎的硬块状。不但影响外观,用时也不好涂抹,不符 In the past, we formulated the matrix prescription for cold cream is: Prescription: stearic acid 90g glycerin 90g ammonia solution 16ml distilled water 450ml Preparation: first take stearic acid, set the water bath to melt, stirring constantly, the ammonia solution was slowly added, and then Add distilled water, with the increase with stirring, finally adding glycerin, stirring to condensation that too. However, after the finished product is condensed, it tends to form a crushed lump. Not only affect the appearance, the time is not good smear, does not match