1, ultraviolet
When exposed to ultraviolet rays, our body will produce a large amount of melanin in the basal layer, which will promote skin aging and cause pigmentation skin diseases such as black spots and freckles.
2. Bad cleaning habits
Intense cleaning of the skin will become sensitive. Similarly, in order to protect the skin, melanocytes secrete a large amount of melanin. When there is too much pigment, skin pigmentation problems such as spots and flaws will occur.
3. Genetic genes
If there are long spots among parents, the probability of long spots is very high. This kind of situation should pay attention to prevention, and use more skin care products and cosmetics suitable for your skin.
4. Stress
Long-term stress is too large, the balance of human metabolism will be destroyed, the supply of nutrients needed by the skin will tend to be slow, and pigment mother cells will become very active, which may cause long spots.
5, endocrine disorders
Metabolic abnormalities or ovarian dysfunction caused by endocrine will lead to long spots and aggravate pigment problems; Even cause constipation. And sometimes long spots are also a manifestation of abnormal physical condition.
6. Abuse of cosmetics
Using cosmetics that are not suitable for your skin may lead to skin allergy, or the skin may accumulate melanin in the inflamed area to resist external invasion, and pigmentation may also occur.