Melanin is a pigment produc by skin cells call melanocytes, meaning black in Greek. It is a high molecular weight pigment in living things, ranging from reddish brown to black. Is the pigment in the skin, eyes, and hair. It is produc by the enzymatic oxidation reaction of phenols. It is synthesiz from the amino acid tyrosine in melanocytes before being deliver to the skin layer. Is one of the factors that determine the different skin colors in people, apart from race and environment.

Although melanin is a pigment produc by skin cells in the body, external factors can also cause abnormal melanin pigments. The factors that cause abnormal skin pigments are as follows:
- Caused by genetics from birth
- Caused by UV rays from sunlight, causing abnormal skin pigmentation, which is the main cause of freckles and melasma.
- Skin diseases such as ringworm, tinea, vitiligo, moles, ทางเข้า ufabet, etc.
- Changes in hormone levels
- Using cosmetics that contain harmful chemicals
- Taking birth control pills that contain high levels of estrogen
- Vitamin deficiency
Abnormal melanin pigments cannot be permanently prevent. But they can be avoid by changing your behavior and taking care of yourself regularly to reduce the amount of
abnormal melanin pigments. The prevention methods are as follows:
- Avoid exposure to UV rays from the sun or doing outdoor activities without sunscreen. The important thing is to apply sunscreen regularly, in the amount of 2 knuckles or a ten baht coin, and should be applie every 2 hours if doing outdoor activities. In addition, you should choose products with high protection values, such as ULTRA SUN PROTECTION SPF 50 PA +++.
- Drink enough clean water to meet your body’s needs. Drinking clean water helps your body’s systems work better, helps remove waste from your body, makes your skin strong, soft, moisturized, and helps even out your skin tone.
- Eat healthy foods such as vegetables and fruits that are high in vitamin C and avoid foods that are high in fat, sugar, spicy foods, and alcoholic beverages because these foods can cause irritation and increase melanin . In addition, foods that are high in sugar can cause the skin to wrinkle faster.
- Cleanse your skin deeply. Cleansing your skin is the beginning of having beautiful skin and making your skin tone even. First, remove makeup and then use a foam or gel cleanser that suits your skin type to cleanse again.
- Scrub your face to exfoliate dead skin cells and stimulate new skin cells, making your face look brighter. However, you should not scrub too often because it can cause inflammation. You should only scrub 1-2 times a week.
The natural melanin that the body produces is not harmful or has any negative effects on the body. However, it will cause problems only when there are factors that stimulate abnormalities, such as melasma, freckles, dark spots, and uneven skin tone. Therefore, to reduce such problems, there should be proper and appropriate prevention to take care of the skin condition to be strong from the inside.