56 citations
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December 1978 in “The Journal of Dermatologic Surgery and Oncology” Transplanting small skin grafts can successfully repigment leukoderma.
April 2012 in “Journal of evolution of medical and dental sciences” No effective treatment exists to stimulate hair growth in atrichia with papular lesions.
December 2023 in “Scientific Reports” Scientists created cell lines from balding patients and found that cells from the front of the scalp are more affected by hormones that cause hair loss than those from the back.
April 2023 in “Journal of Investigative Dermatology” The research found that certain factors in hair follicle cells control hair growth and development, and these could be used to create new treatments for hair loss.
July 2025 in “Journal of Oncology Research and Therapy” 12 citations
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January 2014 in “Dermatology online journal” White hair regrowth in alopecia areata may be more common than thought.
205 citations
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April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
28 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal papilla cells are crucial for hair growth and can induce new hair follicles.
10 citations
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March 1973 in “Journal of Investigative Dermatology”
75 citations
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October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
9 citations
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March 1998 in “Journal of Dermatological Science” Improper regulation of hair follicle processes causes hairlessness.
73 citations
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July 1956 in “Journal of Investigative Dermatology” Adult human skin can grow new fine hair follicles after a deep exfoliation treatment.
5 citations
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July 2009 in “Clinical and experimental dermatology”
24 citations
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September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
1 citations
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September 2017 in “BMJ” The man has a disease causing skin patches, thickened nerves, and mild muscle weakness.
13 citations
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October 2002 in “Journal of Investigative Dermatology” The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.
2 citations
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November 2024 in “JAAD reviews.” Certain drugs can change hair color, either lightening or darkening it.
53 citations
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January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
March 2026 in “Portuguese Journal of Dermatology and Venereology” Avoid hair dye after microneedling to prevent scalp pigmentation.
40 citations
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February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
30 citations
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February 1977 in “Nature” The dermal papilla can still grow new hair even after heavy radiation.
1 citations
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March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
16 citations
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February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
11 citations
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January 1990 in “Cell and Tissue Research” Minoxidil does not specifically target any hair follicle cells.
Hair follicle-like structures can form when specific hair cells are mixed and implanted in mice.
November 2024 in “Journal of Investigative Dermatology” γδT cells can protect hair follicles from alopecia areata and promote hair regrowth.
303 citations
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August 1971 in “The American Journal of Medicine” Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.
27 citations
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January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.