The yellow spots that appear on the hands are called chloasma. As people age, their skin begins to change and pigmentation appears. The chance of yellow spots will also increase, especially on the face. The chloasma on the hands also needs to be treated, but the treatment methods are similar, all of which aim to clear the pigment in the bottom layer of the skin and speed up the body's metabolism. Melasma, also known as liver spots and butterfly spots, is a symptom of facial melanosis and is a pigmented spot that occurs on the face. The main causes of chloasma are female endocrine disorders, mental stress, various diseases (liver and kidney dysfunction, gynecological diseases, diabetes), lack of vitamins in the body and stimulation by external chemical drugs. Melasma is a difficult and complicated disease in the world, which seriously troubles the face of hundreds of millions of women. Many women who have tried to remove freckles often spend a lot of money in vain, only to find that the condition gets worse. As a result, they gradually lose confidence and believe that melasma cannot be cured. Experts point out that melasma can be completely cured. The key is to choose the right medicine. The more famous ones, such as Good Skin Chinese Medicine Ointment, will achieve a better effect. It is caused by the obstruction of the microcirculation between tissue cells, cell dissolution and death, and the increase of melanin to form pigmentation. The epidermis of the face is the thinnest, with the most abundant capillaries and the easiest to form pigmentation. The pigmentation area is mainly in the basal layer of the epidermis, and the melanin particles increase significantly. In more serious cases, there is also more melanin in the melanophages in the dermis. Compared with normal, the number of pigment cells, melanin formation and the activity of melanin particles have different increases. 1 Imbalance of Yin and Yang in the human body: First, due to stagnation of liver qi, blood stasis occurs on the face; second, due to weakness of the spleen and stomach, qi and blood cannot moisturize the face, dampness and heat rise to the face to form spots; third, due to deficiency of kidney yang, yang qi is diffused, blood stasis occurs on the face to form chloasma. 2 After pregnancy, the placenta secretes more androgen and progesterone, so pregnant women often have symmetrically distributed chloasma on their cheeks. However, after delivery, when the body's androgen and progesterone secretion returns to normal, the spots will naturally lighten or disappear for most people. 3 Drug factors: 9% to 20% of women who take oral contraceptives for a long time are prone to chloasma. Some people even develop facial spots one month after taking oral contraceptives. In addition, taking medicines for high blood pressure and diabetes and eating more photosensitivity foods such as celery, coriander, carrots, etc. can also easily cause chloasma. 4 Other factors: Some chronic diseases such as chronic hepatitis and tuberculosis will lead to increased tyrosinase activity and increased melanin production, while the body's own ability to eliminate melanin will be weakened. Once melanin cannot be excreted from the body in time, chloasma will occur on the face over time; in addition, improper use of cosmetics will aggravate and accelerate the formation of chloasma. There are many causes of pigmentation. |
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