18 citations
,
March 2015 in “Journal of Investigative Dermatology” Silencing certain circadian clock genes increases skin pigmentation.
October 1967 in “Archives of Dermatology” A 42-year-old woman had a scalp lesion that didn't cause hair loss and showed specific changes under a microscope.
April 2023 in “Dermatology practical & conceptual” Lenalidomide helps hair follicle stem cells turn into melanocytes, which may improve repigmentation in vitiligo.
87 citations
,
April 2018 in “Biochemical and Biophysical Research Communications” Exosomes from dermal papilla cells can help grow hair and might treat hair loss.
24 citations
,
August 2011 in “Experimental Dermatology” The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.
9 citations
,
January 2005 in “Experimental dermatology” Melatonin receptors in hair follicles help regulate hair growth and could treat hair loss.
6 citations
,
October 2019 in “Jo'jig gonghag gwa jaesaeng uihag/Tissue engineering and regenerative medicine” Rice bran extract boosts melanin production in hair follicles.
Treating vitiligo with stem cells and melanocytes from hair, along with UVB light, works better than without the light.
47 citations
,
June 2019 in “Nature Communications” Noncoding dsRNA boosts hair growth by activating TLR3 and increasing retinoic acid.
19 citations
,
December 2018 in “Experimental and Molecular Medicine” Small molecule IM boosts hair growth by changing stem cell metabolism.
13 citations
,
May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
6 citations
,
April 2025 in “Communications Biology” Monocytes in hair follicles help neutrophils move through the skin in contact dermatitis.
2 citations
,
December 2025 in “Nature Communications” H2AK119ub helps keep hair follicle stem cells in a resting state, preventing early aging.
12 citations
,
November 1945 in “Archives of dermatology” Transplanted skin on hooded rats often grows white hair instead of black.
20 citations
,
December 2003 in “Journal of Cosmetic and Laser Therapy” An 800nm diode laser safely and effectively reduces hair for about 8 months, with most patients satisfied and few side effects.
January 2006 in “Yearbook of Dermatology and Dermatologic Surgery” Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.
57 citations
,
August 2002 in “American Journal Of Pathology” Cathepsin L deficiency causes hair and skin issues in mice.
52 citations
,
February 2012 in “PloS one” Lack of Ctip2 in skin cells delays wound healing and disrupts hair follicle stem cell markers in mice.
30 citations
,
July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
29 citations
,
June 1998 in “Developmental Biology” More melanoblasts in hair follicles mean better survival and proper hair pigmentation.
12 citations
,
November 2003 in “Journal of the American Academy of Dermatology” Topical diphencyprone helped regrow hair in mice and rats with a condition similar to human hair loss.
8 citations
,
January 2020 in “International Journal of Trichology” Silymarin improves hair follicle health better than vitamin C by boosting cell growth and reducing oxidative stress.
5 citations
,
January 2023 in “International Journal of Molecular Sciences” Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.
May 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” Hair follicles in nonsegmental vitiligo are better protected from immune attacks than in alopecia areata.
January 2018 in “Springer eBooks” Lasers are FDA-approved for permanent hair reduction, not removal, and more research is needed to improve treatments.
January 2012 in “Journal of Natural Remedies” The Abrus precatorius extract can effectively promote hair growth similar to standard treatments.
53 citations
,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
36 citations
,
July 2014 in “Experimental Dermatology” Skin and hair can regenerate after injury due to changes in gene activity, with potential links to how cancer spreads. Future research should focus on how new hair follicles form and the processes that trigger their creation.
8 citations
,
December 2020 in “Scientific reports” Selective breeding caused the unique curly hair in Mangalitza pigs.
September 2023 in “Nature communications” Alk1 in specific cells is crucial for proper nerve branching and hair function.