43 citations
,
March 2009 in “Journal of Cellular and Molecular Medicine” TGF-β2 plays a key role in human hair growth and development.
32 citations
,
July 2012 in “Stem Cells Translational Medicine” Vitamin D3 can help improve hair growth by enhancing the function of specific skin cells and could be useful in hair regeneration treatments.
31 citations
,
January 2003 in “Dermatology” Steroidogenic isoenzymes may help improve treatments for common hair loss.
25 citations
,
November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
23 citations
,
April 1999 in “Dermatologic Clinics” Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
19 citations
,
January 2010 in “International Journal of Ayurveda Research” Tectona grandis Linn. seeds extract improved hair growth in mice better than minoxidil.
January 2026 in “Archives of Internal Medicine Research” PRP, exosomes, and physical therapies show promise for hair and tissue repair, but need more research for optimization.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
Eclipta alba L. (Urang-Aring) can help treat hair loss.
134 citations
,
July 2020 in “Experimental dermatology” Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
21 citations
,
June 2011 in “Investigative Ophthalmology & Visual Science” Hair follicles could help develop eye treatments by studying immune responses.
The paper concludes that the patchiness of alopecia areata is likely due to when the immune attack happens in the hair growth cycle.
August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
9 citations
,
January 2005 in “Experimental Dermatology” Human hair follicles can produce stress hormones like the body's main stress response system.
12 citations
,
May 2016 in “British Journal of Dermatology” AGA progression involves increased lipid synthesis, electron transport, and hair follicle miniaturization.
February 2026 in “Biochemical and Biophysical Research Communications” Scientists successfully regenerated functional hair follicles using specific stem cells and mesenchymal cells.
34 citations
,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
9 citations
,
June 2014 in “British Journal of Dermatology” The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
7 citations
,
January 2015 in “Current problems in dermatology” Hair loss can be caused by stress, infections, drugs, and various diseases, with treatment depending on accurate diagnosis.
4 citations
,
September 2017 in “Skin appendage disorders” The dog with an Alopecia Areata-like condition showed signs of an autoimmune disease and partially regrew hair without treatment, suggesting dogs could be models for human AA research.
1 citations
,
January 2009 in “CRC Press eBooks” Finasteride increases hair count and improves hair growth with low risk of side effects.
90 citations
,
December 2008 in “Journal of Investigative Dermatology” Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.
47 citations
,
December 2011 in “Experimental Dermatology” CGRP may help protect hair follicles from immune system attacks, potentially slowing hair loss.
33 citations
,
March 2015 in “Experimental Dermatology” LHX2 and SOX9 identify unique hair follicle cell groups, crucial for hair maintenance.
18 citations
,
August 2008 in “Journal of Investigative Dermatology” 17-β estradiol and prednisolone may speed up hair regrowth after chemotherapy.
12 citations
,
April 2020 in “British Journal of Dermatology” Caffeine may help reduce stress-induced hair loss.
9 citations
,
June 2020 in “BMC Molecular and Cell Biology” Stress hormone CRF can cause hair loss by affecting hair growth cells and hormones.
4 citations
,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
25 citations
,
June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.