1, in the process of perm, the scales on the hair surface will be destroyed. Leaving the internal structure of hair unprotected will lead to the loss of internal moisture and nutrients, which is harmful to hair, scalp and hair follicles, and will make the keratin of hair more or less denatured, making hair easy to yellow, brittle, easy to fall off, dull and inelastic. ?

2. The most harmful thing in perming is the potion. Many perming potions on the market contain alkaline components, which have a certain oxidation effect. Once it touches the scalp, it is easy to destroy the small skin in the hair, leading to the loss of water in the hair.

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Hair care food:

1, eggs. The main component of hair is protein. Eggs are rich in protein and a lot of biotin. These nutrients can prevent alopecia and promote hair growth. In addition, some studies have found that egg yolk contains a "hair growth stimulator", which is helpful for the repair and growth of hair cells.

2. carrots. Carrots can stimulate the scalp to secrete a natural sebum oil, thus keeping the hair roots healthy. In addition, carrots are also rich in carotene, which can be converted into vitamin A in the human body. This nutrient can improve scalp dryness and other problems.

3. Citrus fruits. Oranges, oranges and other citrus fruits are rich in vitamin C, which helps to prevent hair from splitting and coarsening. This fruit can also stimulate capillaries around hair follicles and prevent hair loss.

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