Hair can keep our scalp warm and protect it, but many people are indifferent to their hair, so it is easy to cause hair loss or loss of moisture, causing the hair to become dry. Similarly, if too many chemicals are used to care for the hair, it is also an invisible harm to the hair. We all know that hair treatment cream can care for the hair, but if used too much, it will damage the hair and scalp. 1. Hair treatment, a method of hair dyeing and hair care, generally involves applying hair dye or hair conditioner on the hair, using a special machine to release steam and heat it to allow the oil to penetrate into the hair. There are two meanings for hair treatment in hair salons: one is to replenish nutrients and moisture to hair; the other is to dye it black. 2. The surface layer of human hair is composed of a component called the cuticle, below which is the main component of hair - the cortex. The reason why hair dye can achieve the magical effect of giving hair another "color" is that the dyeing ingredients can destroy the hair cuticle, penetrate into the hair cortex, and undergo a chemical reaction therein, changing from a small molecule state to a large molecule. The molecular structure of the hair cuticle is very small, which allows the dye chemicals to be "stored" in the hair. If you dye your hair excessively and the hair is damaged but not restored in time, it may cause the hair to lose its luster, become dry and yellow, or even crack. Hair dye enters the human body through the skin and hair follicles, and then enters the blood. If the concentration of hair dye is too high or the frequency of hair dyeing is too high, it will damage blood cells, thus becoming the culprit of lymphoma and leukemia. In addition, the toxic chemicals in hair dye need to be metabolized by the liver and kidneys after entering the human body, so long-term and repeated inhalation will inevitably cause damage to liver and kidney function. 3. General hair treatment creams contain harmful elements such as lead and mercury. Long-term use will penetrate into the hair follicles through the scalp and even enter the blood, causing harm to the human body and leading to lesions. So do not use it frequently. The content of harmful substances in some hair dyes, such as lead and mercury, may be reduced, but it is impossible for a completely harmless hair dye to exist on the market. In the above article, we mainly introduced the hazards of hair treatment cream. Hair treatment cream is usually applied directly to the hair and heated evenly by a special machine to allow the oil to penetrate into the hair. However, hair treatment cream is also a chemical substance. Some people think that hair treatment cream is protective for hair, so they apply a large amount at one time. However, hair treatment cream contains some harmful elements that can cause harm to the human body. |
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