Female friends are more ambiguous. They will do all kinds of hair, especially perming and dyeing. These two aspects are more popular among female friends. However, if a woman is in the period of preparing for pregnancy or during pregnancy, she must not perm or dye her hair, because the chemicals contained in perming and dyeing hair will cause certain damage to the female body. So, can you dye your hair in the early stages of pregnancy? Trace element factors Hair contains about 20 trace elements, and the content of these trace elements can also affect the color of hair. For example: copper is one of the components of melanin. Excessive intake can easily lead to reddish brown hair, brown hair, or green hair, but if the amount is too little, it can cause the hair color to lighten. Excessive hair styling, combing, blow-drying, and shampooing Hair pigment particles are stored in the cortex of the hair. Excessive hairdressing, shampooing and combing will inevitably damage the hair scales. Once the protective layer is lost, the pigment of the cortex will be lost, causing yellow hair over time. This reason is currently very common in life. It should also be noted that the close exposure of hair to TDP lamps often used in hair salons is also one of the causes of yellow hair. Too much sweets 1. Genetic factors. The color of human hair is closely related to race, and this relationship is reflected in genetics. If the parents' hair is yellowish, the hair color of their child will naturally be yellowish. Inheritance is carried out through DNA, and genetic genes control the synthesis of proteins. The synthesis of melanin requires the participation of multiple enzymes, which happen to be proteins, and their production is regulated by genetic material. 2. Age factor. Young people's hair is generally darker, but as they get older, their hair begins to become dry and yellow, or even white. In fact, more than 50% of the elderly have yellow or white hair. 3. Mental reasons. If you are under great mental stress for a long time, it will cause disorders of the immune system and endocrine function, which will indirectly lead to a decrease in the synthesis of melanin, causing the hair to turn yellow or white. 4. Dietary reasons. The synthesis of melanin requires the participation of copper ions. If you are too single-minded and the food contains too little or even no copper, it will seriously affect the synthesis of melanin, so your hair will naturally not be able to maintain pure black. The above is an introduction to the reasons why hair turns yellow since childhood. I believe that after reading this introduction, everyone will have a better understanding of the reasons why hair turns yellow since childhood. Hair color is more influenced by genetics, but the influence of acquired factors cannot be ignored. For example, in order for children to grow and develop healthily from an early age, their diet and nutrition must be balanced and comprehensive, especially the essential trace elements for the human body must be fully and reasonably supplemented. |
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