The difference between plant hair dye and chemical hair dye


Hair coloring has become a fashion choice for people. According to the CCTV International Network Survey, more than 90% of the more than 2,600 people surveyed had their hair dyed, and those who started dyeing their hair before the age of 30 accounted for about half of the people surveyed. According to the characteristics, there are two main types of hair dyes - chemical hair dyes and plant hair dyes.

Chemical hair dye: It is mainly composed of some compounds, such as ammonia, hydrogen peroxide, and heavy metals, such as lead, mercury, arsenic, cadmium, and nickel, which are easy to cause heavy metal poisoning. But the main harmful ingredients are: p-phenylenediamine, o-phenylenediamine, m-phenylenediamine, p-aminophenol, m-aminophenol, p-aminophenol, toluene, etc. Many people may know p-phenylenediamine, and many products also indicate "no p-phenylenediamine". In fact, other products such as m-phenylenediamine are also toxic substances in chemical hair dyes, so hair dyes do not contain chemical substances, and commercial deceit cannot be heard , must look at the ingredients.

These substances can easily cause allergies, leukemia, and even cancer. CCTV reported that there was a case of leukemia hair dyeing. In short, chemical hair dyes should be chosen carefully. If you must dye your hair, it is better to choose real plants to be healthy.

Plant hair dyes: Chuanxiong, gallic acid, senna leaves, cloves and other ingredients, some are active ingredients in food or health products, some are pharmaceutical ingredients, not only have no adverse effects on health, some also contain nutrients needed by the body, Such as zinc, iron, calcium, magnesium and other nutrients, among which zinc and iron are essential trace elements for human body, which have certain preventive and health care effects on human health. What is the difference between chemical hair dye and plant hair dye? 1. Different ingredients. The main components of chemical hair dye creams are some aromatic amine compounds, oxidants and other compounds; the main components of plant hair dye creams include polyphenolic plant hair dye active ingredients and plants such as tannic acid. 2. Different coloring principles After chemical hair dyes enter the hair cortex, chemical changes will occur to form larger dye molecules; plant hair dyes enter the hair cortex through pigment adsorption.

3. Different advantages and disadvantages The advantage of chemical hair dye cream is that it has firm color, various colors, and cheap price. Of course, the disadvantage is that it is highly irritating and easy to cause adverse reactions; the advantage of plant hair dye cream is that it has little irritation. The color is natural, but the disadvantage is that the coloring effect is poor and the price is expensive.

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