Bluish-grey spots seen on a baby’s skin, especially on the back or buttocks, are a normal birthmark known as a Mongolian spot ...

Please provide your email address to receive an email when new articles are posted on . WAILEA, Hawaii — Treating macular dermal hyperpigmentation conditions requires a multi-pronged approach, ...

There are two types of skin pigmentation disorders: hyperpigmentation, in which the skin produces too much melanin, and hypopigmentation, in which the skin produces too little melanin. Skin ...

Hyperpigmentation causes patches of skin to become darker than the surrounding skin. It occurs when the skin produces excess melanin, the pigment that gives skin its color. Hyperpigmentation is very ...

FOR many years it has been believed that the cutaneous pigment cell system of the so-called lower vertebrates—fishes and amphibians—is mainly a dermal one. As an effector system its function is ...

Green tattoo pigment is taken up by dermal macrophages (left). The pigment is released when these cells are killed (center) but, 90 days later, is taken back up into new macrophages that have replaced ...

A remarkable new study has provided a novel insight into why tattoo ink stays so permanently in a person's skin. Instead of being a static process, it was found that cells in the dermis are constantly ...

If the skin regenerates itself every couple of weeks, then why do tattoos last for years? Sure, we know that tattoo ink is inserted into the layer right beneath the outermost layer of skin, but even ...