Have you ever looked up in the sky and noticed colored spots on either one or both sides of the sun? Bright spots that looked like tiny rainbows? If so, you probably saw a sun dog, also known as mock ...

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Dark spots, streaks, or lingering marks that show up exactly where your skin has been irritated, inflamed, or injured—think ...

Freckles are often caused by variations in a particular gene that affects melanin. They are common and usually harmless. If you have concerns about any marks on your skin, consult a dermatologist for ...

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 ...

IGH causes small pale-colored spots to develop on areas of the skin often exposed to the sun. These spots are benign, but treatments are available to address their appearance. Idiopathic guttate ...

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You’ve probably spent hundreds of dollars on expensive dark spot treatments and brightening serums, but the most effective ingredient for fading hyperpigmentation might already be sitting in your ...

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 ...