Two of the most commonly confused pale patches in dermatology behave very differently under the skin. Here is how specialists tell them apart, and why the distinction changes everything about treatment.
July 16, 2026 · Verity Onwudiwe
AdvancesFor a small group with widespread vitiligo, evening the skin means lightening the pigment left behind rather than restoring it. Here is how it works and who it suits.
July 15, 2026 · Wallace Furukawa
A less common form of vitiligo that appears on one side of the body, stabilizes early, and often responds unusually well to treatment.
July 8, 2026 · Ximena Calloway
Everything we have filed
27 stories on file
ExplainerNot every pale patch of skin is vitiligo. Here is how dermatologists actually distinguish true depigmentation from pityriasis alba, tinea versicolor, post-inflammatory hypopigmentation, and idiopathic guttate hypomelanosis.
· Verity Onwudiwe
ExplainerPigment cells are not exclusive to skin. They also sit in the inner ear and in several layers of the eye, and two large bodies of evidence disagree about how often that matters, which is exactly the thing patients are never told.
· Verity Onwudiwe
Field NotesColor coming back as tiny dots scattered across a patch and color creeping in from the edge are two different biological events with two different prognoses, and the difference is visible to you months before it is obvious to anyone else.
· Ximena Calloway
ExplainerNobody hands you a prognosis at diagnosis. But the hairs growing out of the patch carry one, and you can read it yourself in a well-lit bathroom in about two minutes.
· Verity Onwudiwe
DispatchSome pigment loss has a cause you can name and remove. Here are the chemicals known to destroy pigment cells, how the pattern differs from ordinary vitiligo, and what to do first.
· Umberto Salazar
DispatchVitiligo often travels with autoimmune thyroid disease. Here is why the two are connected and what a simple blood test can catch early.
· Umberto Salazar
§ 04 · Frequently Asked
Not currently, but treatments can restore pigment in many patients and stabilize active disease. Topical JAK inhibitors, phototherapy, and surgical options have all expanded the treatment landscape.
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