6 citations
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December 2013 in “Journal of Cosmetic Dermatology” Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.
4 citations
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January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
13 citations
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July 2016 in “Indian Journal of Dermatology” DPR can show different hair characteristics, as seen in two brothers with normal hair.
19 citations
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May 2007 in “Dermatologic therapy” The document concludes that various treatments, including laser therapy, are effective for managing pseudofolliculitis barbae, especially in darker skin types.
35 citations
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February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
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May 2010 in “Archives of dermatology” Herpes zoster infection can cause permanent hair color change in the affected area.
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August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
2 citations
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August 1987 in “Archives of Dermatology” Langerhans' cells are not responsible for depigmentation in this mouse model.
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May 2001 in “British Journal of Dermatology” Pilomatrixomas likely originate from the hair matrix due to changes in hair keratin expression.
1 citations
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March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
15 citations
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January 2017 in “Pigment International” Early hair graying is often inherited and influenced by genetics, environment, and lifestyle, but treatment options are limited.
7 citations
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November 2018 in “Journal of the American Academy of Dermatology” White hairs often regrow in alopecia areata patches.
March 2026 in “Portuguese Journal of Dermatology and Venereology” Avoid hair dye after microneedling to prevent scalp pigmentation.
29 citations
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June 1998 in “Developmental Biology” More melanoblasts in hair follicles mean better survival and proper hair pigmentation.
July 2019 in “Indian dermatology online journal” Alopecia areata can show unusual red-dotted vessels and dithranol treatment may mask typical patterns.
July 2023 in “International Journal of Trichology” The man's hair turned white suddenly but returned to normal on its own in 6 months.
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April 2013 in “Homo” Darker skin in 10-year-old girls may be an early sign of puberty.
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September 2000 in “Acta dermato-venereologica” PPAR alpha may help in hair growth and could be a target for treatment.
January 2023 in “Indian Dermatology Online Journal” Micropigmentation is a cosmetic tattooing technique for hiding skin issues and creating permanent makeup, but it can have side effects.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
January 1981 in “Purdue e-Pubs (Purdue University)” Pig skin is similar to human skin, with no major changes as they age.
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January 2019 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Pigs without the Hairless gene showed skin and thymus changes, useful for studying human hair disorders.
6 citations
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January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
12 citations
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January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
14 citations
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June 2013 in “Anais Brasileiros de Dermatologia” Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.
April 2019 in “Journal of Investigative Dermatology” The created skin model with melanoblasts improves the study of skin color and offers an alternative to animal testing.