Dark hair has a special quality in exaggerating our beauty. 90 percent of people have hair problems during this period. Graying of hair and excessive shedding of hair during youth is the cause of stress for most of the people. All this is due to lack of proper lifestyle, especially adulterated and poor quality food. Now let's look at what hair is from a scientific point of view. Hair is made up of protein called keratin, this protein is made up of 18 amino acids.
Moreover, the amino acid cystine plays a major role, this amino acid gives good strength to the hair. Darkness of hair is due to natural presence of melanin in our hair, people with gray hair have less melanin in their hair. During this period we use hair dye to cover the gray hair. Now let's look chemically at some of the side effects caused by the chemicals in this hair dye.
On hair dye:-
Para phenylene diamine (PPD) (para phenylene diamine), hydrogen peroxide (hydrogen peroxide), ammonia (ammonia), ethanolamine (ethanolamine), para aminophenol (para amino phenol) have been found in most hair dyes.
Now let us see the pros and cons of the above mentioned chemical products one by one.
Ammonia:-
During this period, you may have seen "No Ammonia" advertisements on hair dyes. So what are the uses and disadvantages of ammonia? You will get a question about
That's because the chemicals in hair dyes usually require an alkaline PH to react. Ammonia is added to increase that alkalinity, not only that, but ammonia is used to make hair dyes adhere better to the hair.
Research has revealed that this ammonia easily penetrates our skin and dissolves in the blood, causing physical harm. It has also been found that ammonia can reduce the natural melanin in our hair that keeps hair dark. A chemical called ethanolamine is used as an alternative to ammonia, which has the ability to do the work that ammonia does but has no side effects, according to research results.
A chemical called para phenylene diamine (PPD) is used to produce dark color in hair.
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