July 2022 in “Journal of Investigative Dermatology” IL-15 helps maintain hair growth and protects the immune status of hair follicles.
5 citations
,
January 2017 in “Laboratory Animal Research” Gold thread implantation may help hair grow in humans and mice.
December 2012 in “Journal of dermatological science” Langerhans cells and melanocytes migrate to the skin and hair follicles during early human development.
7 citations
,
December 2021 in “Archives of Dermatological Research” Adiponectin reduces hair pigmentation and affects hair growth signals.
130 citations
,
April 2003 in “Journal of Investigative Dermatology” Four specific keratins in hair follicles help understand hair structure and function.
87 citations
,
February 2000 in “Journal of Investigative Dermatology” Stem cells in developing hair follicles move to specific areas as they mature.
61 citations
,
December 2001 in “Journal of Investigative Dermatology” Steroid sulfatase in hair follicles may be a target for treating hair loss.
46 citations
,
October 2023 in “Science Advances” 3D bioprinting can now create skin with hair-like structures for medical use.
41 citations
,
September 2010 in “Journal of dermatological science” Bone marrow and umbilical cord stem cells can help grow new hair.
10 citations
,
January 2021 in “Journal of Natural Medicines” Ent-kaurane-type diterpenoids from Isodonis Herba may promote hair growth by boosting cell proliferation.
7 citations
,
July 2025 in “The Journal of Physiology” C-tactile nerves are sensitive to hair movement.
1 citations
,
January 1989 in “Springer eBooks”
November 2025 in “Scientific Reports” COVID-19 may cause hair loss by affecting hair follicles.
November 2025 in “The Journal of Immunology” BTNL2 helps protect hair follicles from immune attacks, which could aid in treating alopecia areata.
April 2023 in “Journal of Investigative Dermatology” ALRN-6924 can protect hair follicles from chemotherapy damage by temporarily stopping cell division.
69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
1 citations
,
November 2023 in “Biomaterials advances” Sponges made of soy protein and β-chitin with human cells from hair or fat can speed up healing of chronic wounds.
January 2011 in “Padua Research Archive (University of Padua)” Local estrogen synthesis in skin may improve wound healing.
6 citations
,
January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
15 citations
,
July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
45 citations
,
April 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Different Myc family proteins are located in various parts of the hair follicle and may affect stem cell behavior.
40 citations
,
January 1994 in “Skin Pharmacology and Physiology” Male hormones affect oil-producing skin cells differently based on their body location, and the drug spironolactone can reduce these effects.
34 citations
,
September 1997 in “Acta Dermato Venereologica” RXR agonists may promote hair growth in humans.
5 citations
,
January 2022 in “Health Science Reports” Gremlin proteins help regulate hair growth by balancing signals in hair follicles.
August 2025 in “Nutrients” Ageratum conyzoides extract promotes hair growth and regrowth.
20 citations
,
December 2015 in “Journal of Pharmacopuncture” Thread-embedding therapy helped hair grow back in mice and might do the same in humans.
January 2024 in “Biological & pharmaceutical bulletin” Panax ginseng extract helps human hair grow by encouraging growth phase transition and cell proliferation while reducing certain protein expression.
48 citations
,
April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.
1 citations
,
June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
February 2026 in “Experimental Dermatology” Cyclohexyl salicylate may help hair growth and treat hair loss.