Specific factors for skin color.. Transfer of pigment to keratinocytes. The number of melanocytes in the skin

Skin color depends on other factors such as:
1- influencing agents on melanocytes and pigment processing.
2- Number of melanocytes in the skin.
3- Melanin production rate.
4- Remove melanin granules.
5- Transfer of pigment to keratinocytes.
6- size and insertion of melanocytes.