Why Do I Have freckles on My Nose?

Some people have many freckles on their noses, which can be improved through the use of freckle removal creams and skincare products. Laser freckle removal is also quite effective. This may be caused by excessive exposure to ultraviolet radiation, so it is important to protect the skin from the sun when going out. There are many other reasons for freckles on the nose besides sun exposure, such as avoiding spicy and alcoholic foods. What are the causes of freckles on the nose? Let's take a look.

If a mother has freckles, there is a much greater chance that her daughter will also have freckles. Sometimes, this trait is inherited through skipping generations, for example, if a grandmother has freckles, her granddaughter may also have them. There is no way to prevent or treat freckles caused by genetic factors.

There is a clear relationship between the level of estrogen in a woman's blood and the darkness of freckles. Effective adjustment of one's own endocrine system can also be a method of preventing and treating freckles.

UV radiation is the main physiological stimulus for the proliferation of human melanocytes and the increase of skin pigmentation. The main cause of skin darkening is UV-B radiation, which can stimulate the proliferation of melanocytes and the production of melanin.

Cities are increasingly polluted due to various reasons. These pollutants can cause micro-inflammation in the cells of our skin, leading to the natural secretion of arachidonic acid by the cells within the skin to combat this inflammation. This arachidonic acid can activate tyrosinase to a certain extent and accelerate the formation of melanin.

The formation of freckles on the nose is mainly due to the excessive production of melanin by melanocytes in the basal layer of the skin epidermis. Melanin is derived from tyrosine contained in foods such as cheese. Under the action of enzymes in the body, tyrosine is converted into dihydroxyphenylalanine, which is then oxidized and finally polymerized into melanin. If the production of melanotropic hormone by the pituitary gland increases due to certain reasons, it can cause disorders in pigment metabolism, resulting in skin freckles.