Modern research has proved that the decrease of melanin secretion by melanocytes in hair follicles is the main cause of gray hair, and the decrease of tyrosinase quantity is one of the pathological mechanisms. It is found that the water extract of black sesame can promote the expression of tyrosinase, and the synthesis of melanin is also improved, so the gray hair can become black again.

Other benefits of black sesame:

Skin care and moisturizing: It is considered that reducing the production of free radicals, eliminating aging metabolites and improving the activity of antioxidant enzymes are effective methods to delay skin aging. Black sesame is rich in natural vitamin E, which ranks first in plant foods. Vitamin E is a good antioxidant, and proper vitamin E supplementation can play a role in moisturizing and beautifying.

Extended data:

Black hair food:

1 .salmon. Dr Lisa Dreier, a nutritionist in new york, said that protein and vitamin D in salmon are beneficial to enhance hair quality, and omega-3 fatty acids in salmon are as important to hair as water is to human body. The fatty acid is beneficial to scalp cell health, and can prevent scalp and hair dryness.

2. walnuts. Walnuts are not only rich in omega-3 fatty acids, but also rich in biotin and vitamin E, which can help hair to resist sunlight to some extent. In addition, walnuts also contain copper, which helps keep hair shiny.

3. oysters. Oysters are rich in zinc, which will lead to hair loss, dry scalp, dandruff and even eyelashes falling off. In addition, oysters are rich in protein. Dreier said that the main component of hair is protein. If there is not enough protein in the body, the lost hair will not be replenished in time, and the new hair will be dry and fragile.

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