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 occurs when excess melanin causes certain areas of the skin to become darker than the surrounding skin. This condition is common, especially in individuals with darker skin tones, ...

Dark spots, stubborn patches, uneven tone — hyperpigmentation shows up in many ways and for just as many reasons. If you’ve ever wondered why some areas of your skin seem to darken out of nowhere (or ...

What Causes White Hair at Early Age? This article was reviewed by Addie Ganik, MD, FAAD. It’s pretty normal to find an occasional white or gray strand while styling our hair. If they’re few and far ...