b) The ratio of pigmented area to total epidermis area. c) Relative variance of melanin level in 1 cm2-sized skin cells. A low variance means that melanin is evenly distributed, and a high ...

Discolored skin patches may also commonly develop on certain body parts due to a difference in melanin levels. Melanin is the substance that provides color to the skin and protects it from the sun.

Melanin is a natural pigment in your body that protects you from UV damage from the sun. People with darker skin tend to have more melanin and are therefore at a lower risk of sun damage.

The anti-melanogenesis effect of ligustroside derived from Ligustrum japonicum and its underlying mechanisms are explored.