How it works People with darker skin generally make more eumelanin, a type of black or brown-colored pigment. Lighter-skinned people tend to make less of this pigment. Scientists generally believe that eumelanin does a better job blocking the sun’s UV rays compared to the yellow-red pigment pheomelanin. The genetic link Two genes, called SLC45A2 and… Continue reading Skin Pigmentation & Genetics
