Human skin color is related to the content and distribution state (granular or dispersed) of melanin in the skin. Factors that determine skin tone include: the color and thickness of the skin itself.

The color of skin varies depending on race, age, degree of sun exposure and location. It is mainly composed of three shades: black, which varies depending on the amount of melanin particles in the skin; yellow, which has The shade depends on the thickness of the stratum corneum; the appearance of red is related to the density of capillary distribution in the skin and the size of its blood flow.

Extended information:

If you want to improve your dark skin and make yourself whiter, you can make some homemade whitening masks.

1. Tomato honey whitening

You can stir the tomatoes into tomato juice and then add an appropriate amount of honey and stir until it becomes a paste. Apply evenly to face or hands and wash off after about 15 minutes. It is recommended to do it 1-2 times a week.

2. Papaya and Mung Bean Face Slimming Mask

Peel and cut the papaya into pieces and puree it with a juicer. Slowly add it to the mung bean powder and stir until the two ingredients are completely mixed. After blending, the viscosity of the mask is optimally controlled so that it does not dry out or drip. After finishing, apply it on the cleansed face, leave it for 15 minutes, wash it off with warm water, and then apply toner.

3. Cucumber and Angelica whitening mask

Put the Angelica dahurica into a mortar and grind it into powder, then cut the cucumber into small sections, put it into a blender and stir it into a puree, then mix it all into a paste. Put the ingredients together and stir evenly. After cleansing, apply the adjusted mask evenly on the face, being careful to avoid the eyes and lips, and wash it off after 10 to 15 minutes.

Reference material: People's Daily Online - Why is your skin dark? How to whiten your skin

Baidu Encyclopedia-Skin Color