What reason is darling skin black

summary

There are many reasons for the baby's skin black, there are many people in life will appear, if both parents are black skin, then the baby's skin black is normal. Although there is no way to change the congenital conditions, but still through the acquired efforts to improve skin color. Especially for girls, very concerned about skin color, so since childhood active sunscreen, pay attention to whitening method is also important. Let's share some experience.

What reason is darling skin black

First, some foods are also the cause of skin darkening. Foods rich in copper, iron, zinc and other metal elements have this disadvantage. These metal elements can directly or indirectly increase the amount and activity of tyrosine, tyrosinase and other substances related to melanin formation. These foods mainly include animal liver, kidney, oyster, shrimp, crab, beans, walnut, black sesame, raisin, etc. If the baby likes to eat such food since childhood, then the skin black is not surprising.

Second, many drugs can also change the normal skin color. For example, chloroquine has a strong affinity for melanin and aggravates skin darkening. About 10% of patients taking quinine have blue pigmentation spots on their faces. Sedatives pose the greatest threat to skin color, with butterfly spots on the face and neck of long-time users, and brown gray, light blue or light purple on the arms. In addition, repeated use of mercury containing ointment can also leave brown pigment in the affected area. Among anticancer drugs, more drugs cause skin color changes. If the baby has a lot of skin problems since childhood, such as eczema, often use all kinds of drugs mentioned above, then the skin is naturally darker than others.

Third: if the baby often goes out to bask in the sun and does not pay attention to sunscreen, then the damage of ultraviolet rays to the skin is great, and the skin is easy to turn black. Because UV can stimulate melanin in the skin, induce freckles and other skin lesions, even in cloudy days, UV is still strong. In addition, moist air, sunlight shining through the windows, and even indoor lights and computers can darken the skin.

matters needing attention

The speed of blood circulation will also affect the baby's skin color, because whether the blood vessels are rich and how much hemoglobin oxygen content will have a certain impact on the skin color. Winter temperature is relatively low, capillaries are easy to contract, at this time the blood circulation speed will be relatively low, exposed skin, especially the face will be white. The skin color of the part with less capillary distribution will be lighter than that of the part with concentrated capillary distribution. After exercise, many parts of the body will turn red, which is caused by the strong contraction of capillary and the strong delivery of blood.