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GlossaryPoliosis

localized white or gray hair due to melanin loss

Poliosis is a condition characterized by a localized patch of white or gray hair, which can occur on the scalp, eyebrows, eyelashes, or other hair-bearing areas. This depigmentation results from a lack of melanin in the affected hair follicles and can be associated with various genetic conditions, autoimmune disorders, or even as a result of certain medications or treatments.

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research Topical Prostaglandin F2α Analog Induced Poliosis

51 citations, May 2004 in “American journal of ophthalmology”

Using topical prostaglandin F2α for glaucoma may cause loss of eyelash or eyebrow pigment.

research Poliosis Circumscripta: Overview And Underlying Causes

44 citations, July 2013 in “Journal of the American Academy of Dermatology”

Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.

research Uveitis with Poliosis, Vitiligo, Alopecia, and Dysacousia (Vogt-Koyanagi Syndrome)

29 citations, September 1942 in “Archives of ophthalmology”

Vogt-Koyanagi syndrome often leads to partial or complete blindness and responds poorly to treatment.

research Alopecia Areata With White Hair Regrowth: Case Report and Review of Poliosis

12 citations, January 2014 in “Dermatology online journal”

White hair regrowth in alopecia areata may be more common than thought.

research Postherpetic Poliosis

10 citations, February 2006 in “Archives of dermatology”

A man's chest hair turned white after a shingles infection, possibly due to virus-damaged pigment cells.

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community Hair repigmentation of poliosis circumscripta in androgenetic alopecia patient treated with exosomes and fractional picosecond laser

in Product 2 upvotes 8 months ago

Exosomes combined with fractional picosecond laser treatment were effective in treating androgenetic alopecia and promoting repigmentation in white hair patches. The role of exosomes in hair repigmentation, particularly in conditions like poliosis, is not well-studied.