Do you understand the spots on your face? Where did they come from?

　　Pigmentation is formed by the deposition of melanin on human skin, including freckles, dark spots, chloasma, sun spots, radiation spots and age spots, etc., which belong to pigmented skin diseases.

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　　Pigmentation is caused by a combination of various factors. Prolonged sun exposure, imbalance of hormone levels in the body, excessive stress, use of low-quality cosmetics, etc. will cause the activation of the tyrosinase pathway in melanocytes, resulting in excessive melanin synthesis ; But, with so many people basking in the sun, not all of them have stains? It has something to do with the individual's physical fitness. Poor physical health, poor skin metabolism, blocked microcirculation, and melanin cannot be metabolized normally, and it will deposit on the epidermis or dermis to form stains. Certain stains, such as freckles, are thought to be genetically related.

　　The pigmentation sites are mainly in the epidermis and dermis. The metabolism of the dermis is very slow, for more than ten years. You can see if the scars left on your hands and arms when you were young have not been good until now, it is because the dermis is damaged.

　　Pigmentation is very difficult to remove. On the one hand, the metabolism of the dermis is very slow. On the other hand, if the internal factors are not eliminated, melanin will continue to be deposited in the same place. Even in the epidermal layer with rapid metabolism, stains are difficult to eliminate.

　　The common fruit acid peeling and freckles removal in hospitals is to use high concentration of fruit acid to peel off the stratum corneum of the skin, promote the shedding of the aging stratum corneum, and accelerate the renewal speed of the stratum corneum and a small part of the upper epidermal cells. Fruit acid peeling and freckles can effectively remove the spots located in the superficial layer of the skin, but it cannot do anything about the pigment spots located in the deep layer of the skin (basal layer) or the dermis. Frequent fruit acid peeling will damage the skin's keratinous barrier and cause skin sensitivity. I don't recommend you to do it.

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Do you understand the spots on your face? Where did they come from?

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