Whether the skin is fair is closely related to the number of melanocytes in the skin. Melanin plays a role in protecting the skin from sunlight damage. The amount of melanin cells is first related to genetics, which is the natural skin color. Everyone's congenital conditions are different and cannot be changed. What we can change is just to do a good job in protection and reduce the effects of sunlight and other adverse factors on the production of melanin in the skin.
1. The biggest enemy of fair skin is UV radiation
UV radiation triggers the production of melanin, which is the main reason for skin darkening. Melanin itself is a protein produced by the action of amino acids through amino acid enzymes, and as the cells naturally renew, melanin is gradually pushed to the stratum corneum, turning into the black spots that we see. The number of melanin-producing cells in each person's body is the same, and the reason for the difference in skin color is related to the action of amino acid enzymes. People with fair skin have their amino acid enzyme functions suppressed.