The production of melanin is mostly related to endocrine disorders and sun exposure. The number of melanocytes mainly depends on heredity. In addition, it is also related to endocrine hormones and nutritional status. How to improve skin melanin has always been a question in the beauty industry and dermatology. Diseases caused by melanin, such as freckles, chloasma, melanosis, etc., have become a research topic in the beauty industry. Traditional Chinese medicine in the motherland believes that: internal injuries of the seven emotions, improper diet, fatigue, insufficient kidney water, and women Irregular menstruation, etc., can cause disease. In order to solve this problem, various technical methods have been implemented internationally to alleviate the formation of local melanin and promote the decomposition and excretion of stains. Antioxidants are commonly used to prevent the effects of ultraviolet radiation. Ingredients include SOD, tea polyphenols, coenzyme 10, subhydrochloric acid, tocopherol, dieffenbachia, angelica, skullcap, aloe, etc. Anti-free radical substances similar to SOD have anti-ultraviolet radiation and slow down the formation of spots.

In the process of human skin pigment metabolism, tyrosinase catalyzes the tyrosine converting enzyme dopaaldehyde and ultimately forms the 5.6 quinone converter, which constitutes the main component of melanin in melanocytes in the basal layer of the human epidermis. Ingredients, effective properties for regulating tyrosinase activity, such as: placenta hydrolyzate, liver fresh matter, umbilical cord hydrolyzate, egg yolk extract, etc., are ready for use in anti-freckle cosmetics.

Substances that change the melanin production pathway, such as bone thione kojic acid, arbutin, and vitamin C, can also be used to remove freckles. The active ingredients that can inhibit the formation of melanocytes are: chloroquine, indomethacin, vitamin C, 9-carotene, green tea, kojic acid, melanin, black plum, cinnamon, licorice oil, and soluble extract. So how to prevent the production of melanin? What about darkening the skin?

1. Pay attention to labor protection and avoid direct exposure to the sun. Ultraviolet rays can promote melanocytes to produce melanin particles and darken the skin. It is best to apply some whitening sunscreen on the exposed parts. .

2. Pay attention to your diet. You should drink more water, eat more fresh vegetables, hawthorns, carrots, and less salt to reduce the formation of melanin.

3. Oral vitamin C, which can reduce dopaquinone to dopa, thereby inhibiting the formation of melanin.

4. The traditional Chinese medicine Liuwei Dihuang Pills can be taken orally, 8 pills each time, 2-3 times a day.

5. For external depigmentation or freckle removal, you can choose 3% hydrogen peroxide, 5% white mercury ointment, or whitening and anti-wrinkle cream, anti-spot whitening cream, protein rejuvenation cream, and protein ginseng beauty cream. , special whitening powder honey, etc. If used for a long time, it can whiten the dark skin to a certain extent.

6. It is forbidden to use ointments or cosmetics containing estrogen, because estrogen can promote the formation of melanin. Applying these cosmetics will make your skin darker, and long-term use will cause skin lesions.

7. Be gentle with the seven emotions, keep your mood comfortable, and avoid worry and anger.

8. Eat in moderation, eat more fresh vegetables and fruits, and avoid greasy, spicy, wine and cheese products.

The following medicated diet is used clinically, and the effect is satisfactory when used regularly.

1. Remove freckles: 250 grams of winter melon kernels, 25 grams of lotus seed powder, and 15 grams of angelica dahurica powder. Grind the winter melon kernels, lotus seed powder, and angelica dahurica powder into fine powder. Use boiling water after meals every day; Take 15 grams for internal use. For external use, grind the same amount of dried peach blossoms and dried winter melon kernels (shelled) into fine powder. Add an appropriate amount of honey and mix thoroughly. Apply to the affected area before going to bed and wash it off in the morning. It can remove freckles, cleanse and enhance the skin.

2. Anti-Blemish Decoction: 10 grams of loofah, 10 grams of white tuckahoe, 10 grams of silkworm, 10 grams of white chrysanthemum, 20 grams of pearls, 3 roses, 10 red dates, and the medicine will be applied* **Add water to thickly decoct to get the juice, add water to thickly decoct to get the juice, mix the two concoctions, take 1 dose per day, take twice in divided doses, for 30 days.

3. Take 200 grams of yam, peel and cut into pieces, stir-fry 100 grams of barley rice, 20 grams of jujube, add 1 liter of water, simmer over low heat to make porridge, add appropriate amount of rock sugar, and take it every morning Appropriate amount, suitable for patients with spleen dysfunction, poor appetite, abdominal distension, gray-brown spots, and white and greasy tongue coating.

4. Take an old turtle, kill it and wash it. Prepare 30 grams each of Polygonum multiflorum, wolfberry and Asparagus asparagus. Put it into a casserole and simmer for 3 hours. Take it when it is warm. It is suitable for Deficiency of kidney yin, bone steaming and night sweats, waist fatigue and weak legs, five upset stomachs and heat, and spots and tan syndrome.

5. Seven White Cake: 50 grams each of white lentils, white yam, white lotus meat, and white Poria cocos, 15 grams each of white chrysanthemum, 100 grams each of white flour, and white sugar. Combine lentils, lotus seeds, Poria cocos, yam, Grind chrysanthemums into fine flour and mix well with flour, add water to knead the dough, or add fresh yeast to ferment it. After it is fermented, add sugar, put it in a basket, and steam it with boiling water for 30 minutes until it is cooked. After it is taken out of the basket, cut it into pieces. It is suitable for regular consumption. It is effective for chloasma caused by spleen deficiency and damp heat.

6. Massage: Facial massage has a good effect on melanin pigmentation and chloasma. It is mainly performed along the direction of the orbicularis muscle around the eyes, frontalis muscle, orbicularis muscle around the mouth and the main facial muscle groups. A kind of massage technique, which mainly uses wiping, kneading, wiping, dotting, rolling, patting, etc., and at the same time, kneading the Taiyang, Yangbai, Cuanzhu, Jieche, Yingxiang, Dilun, Xiaguan and other points to achieve blood circulation The effect of unblocking collaterals and removing freckles.

In addition, combined with traditional Chinese medicine anionic spray, traditional Chinese medicine iontophoresis and other modern beauty treatments, it also has a good effect on the treatment of melanin and chloasma.