推荐回答(5个)
泡沫型:它属于表面活性剂型清洁产品,通过表面活性剂的乳化作用清洁油脂。这类产品对油脂的清洁能力比较强,易于冲洗,比较适合油性肌肤的人使用。
阎教授特别强调,以上3类洁面产品中,最容易出现假冒伪劣产品的是泡沫型洗面奶。泡沫是清洁过程中吸附皮肤中代谢废物、灰尘等脏东西的重要介质。高品质洗面奶的泡沫应该细腻,即泡沫小而有密集的质感,涂在脸上要有滋润的感觉。很多劣质洗面奶虽然泡沫丰富,但大多粗糙、易破裂,这说明产品中用较多的皂基成分代替了优质表面活性剂,碱性过强,清洁度和保湿效果都不会很好。干性皮肤的人尤其要少用,否则会造成皮肤脱皮。
洗面奶中的泡沫可以帮助彻底清除化妆品、老死的角质层和阻塞的毛孔。
高品质洗面奶的泡沫应该细腻有质感,同时含有滋养保持肌肤水分的成分,粗糙的松动的泡沫往往是产品中皂基较多,营养成分较少,洗净度和保湿效果都不会好。
现在许多新品洗面奶都是不含皂基的产品,它们的泡沫不多但洗净力却很强,还有平衡油脂、保湿、滋润等多种功能,所以女士们要走出单凭泡沫的多少来判断洗面奶的品质优劣这个误区。
小时候我们玩过吹泡泡,我每次把泡泡水吹玩后,我的爸爸就说“爸爸会调泡泡水,不信的话我待会调制出来 你吹吹看”然后就如同爸爸所说真的能神奇的吹出泡泡。
其实仔细闻一闻泡泡水,味道就像将肥皂一样,那么为什么肥皂水能吹出神奇的泡泡呢?
这里就要提出一个概念“油相”,大家可以理解成平时我们炒菜的油,有炒菜经历的宝宝都知道,往油锅下油之前要将锅中的水擦干净,要不会爆!(沾在手上草鸡疼!),这是为什么呢?敲黑板啦!因为水油不相容
这里就要引出我们高中学过的化学知识啦(为了写文章悬去查的资料~0.0)相似相容原理,大白话就是:亲水性的分子溶于水,亲油性的分子溶于油,亲油性的分子的集合统称为“油相”
回答一下为什么肥皂水能吹出泡泡,因为肥皂的成分里面添加了许多“油相”,油相越多泡泡就越多,所以我们平时用的洗手液、洁面乳很多能搓出泡泡
那么泡泡是怎么洗掉我们身上的垃圾的呢?
就用脸来举例子把,脸上的垃圾分为两类,一类是灰层、粉尘(来自外界环境),一类是分泌物(来自我们皮肤内部),分泌物大致分为两种,一种是油脂等油性分泌物、一种是汗等水性分泌物,说道这里宝宝应该明白,由于油相是亲油性分子的集合,所以能溶解我们的油脂,也就是油性分泌物,就像一个个单独作战的小米米找到了大部队,就这样被.....带走了...
那么汗液等水性分泌物怎么清洁呢,洁面乳里面的表面活性剂里不只含有油相,还含有水相,顾名思义就是亲水性的分子集合(这里插一句题外话,平时大家用的无泡型洁面乳,就是添加的水相成分远多于油相成分),所以水相大军会带走汗液等水性分泌物。
泡沫洗面奶现在市场上有很多卖的,比如说曼秀雷敦\可怜可伶等,主要是为了洗脸方便,其他洗面乳使用时需加水揉开,但泡沫洗面奶就只需按压泵头直接清洗就OK.其实也不能单纯以泡沫细腻来衡量产品的质量,很多情况下,泵头也起着很重要的作用,同样的产品,如果按压泵头有问题,那效果看起来就不是很细腻.但是好的化妆品质量肯定保证啦.
还是提醒女孩子不要以泡沫丰富来衡量一个洗面奶的质量,如果图方便呢,那我推荐MM用一下,在化妆品方面还是要选用适合自己的才叫好/
不是
就像曼秀雷敦那种罐装 压出来像摩丝的 叫做泡沫洗面奶
楼上几位说的都很全面呢,还有就是泡沫的洗面奶也不都是适合油性的,也有舒缓功效和滋润功效不同种类的,当然也有美白的或者清爽去油这些种类的~
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