Citric acid is an important organic acid, also known as citric acid. It is colorless crystal and often contains a molecule of crystal water. It is odorless, has a strong sour taste and is easily soluble in water. Its calcium salt is more soluble in cold water than in hot water. This property is often used to determine and separate citric acid. Anhydrous citric acid can be obtained by controlling the appropriate temperature during crystallization. It has many uses in industry, food industry, dressing industry and so on.

我们也都知道柠檬酸在日常生活和工业中有诸多用途，那么今天我们就来详细了解下柠檬酸在化妆行业的应用。根据嘉裕化工多年柠檬酸销售的经验：

We all know that citric acid has many uses in daily life and industry, so today we will learn more about the application of citric acid in the cosmetics industry. According to years of citric acid sales experience of Jiayu chemical:

枸橼酸是柠檬酸的另一种称呼，柠檬酸归于果酸的一种，首要作用是加快角质更新，常用于乳液、乳霜、洗发精、美白用品、抗老化用品、青春痘用品等。角质的更新有助于皮肤的中黑色素的掉落，毛孔的收细，黑头的溶解等。

Citric acid is another name of citric acid. Citric acid is a kind of fruit acid. Its primary function is to accelerate the renewal of cutin. It is commonly used in lotion, cream, shampoo, whitening products, anti-aging products, acne products, etc. The renewal of cutin contributes to the fall of melanin in the skin, the narrowing of pores, the dissolution of blackheads, etc.

每天早上在还没有进任何食物前喝一杯柠檬水，可以加强肠胃活动、治疗便秘、排出体内毒素、抵达美容的成效，也可以去掉口腔异味，消除口臭。每早一杯热柠水，还可以使双眼更有神、皮肤更光润。如果在水中多加一些柠檬汁，还会起到铲除体内废物的作用。

Drinking a glass of lemonade every morning before eating any food can strengthen gastrointestinal activities, treat constipation, expel toxins from the body, achieve beauty effects, and remove bad breath and halitosis. A cup of hot lemon water every morning can also make your eyes more vivid and your skin more radiant. If you add more lemon juice to the water, it will also play a role in eradicating waste in the body.

柠檬酸关于吸烟者要多吃柠檬，因为他们需要的维生素C是不吸烟者的2倍。柠檬热量低，且具有很强的收缩性，因此有利于减少脂肪，是减肥良药。柠檬能防止心血管动脉硬化并减少血液粘稠度。柠檬酸具有防止和消除肌肤色素冷静的作用。中国中医认为，柠檬性温、味苦、无毒，具有止渴生津、祛暑安胎、疏滞、健胃、止痛等功能利尿，调剂血管通透性，适宜浮肿虚胖的人群。

Citric acid smokers should eat more lemon because they need twice as much vitamin C as non-smokers. Lemon is low in calories and has strong contractility, so it is beneficial to reduce fat and is a good medicine for weight loss. Lemon can prevent cardiovascular atherosclerosis and reduce blood viscosity. Citric acid can prevent and eliminate skin pigmentation. According to Chinese traditional medicine, lemon is warm, bitter and non-toxic. It has the functions of relieving thirst and producing fluid, relieving summer heat and foetus, relieving stagnation, strengthening stomach, relieving pain, diuresis, regulating vascular permeability, and is suitable for people who are puffy and puffy.

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