Birthmarks and Other Skin Pigmentation Problems, Warning Signs, and Treatment Information

Birthmarks and Other Skin Pigmentation Problems Introduction Skin is just like the humans who wear it: It's not perfect. If everything went as planned, the body would produce just enough melanin and blood vessels would behave. But that's not the case. There are birthmarks and other pigmentation disorders that affect many people. We've included some of the most common abnormalities here.