TLR2 helps control hair growth and regeneration, and its reduction with age or obesity can impair hair growth.
October 2021 in “International journal of basic and clinical pharmacology” Excessive eyelash growth from erlotinib may indicate positive tumor response and help treat madarosis.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
Caffeine can potentially treat common hair loss by counteracting hair follicle shrinkage caused by hormones.
196 citations
,
May 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebocytes play a key role in controlling androgen levels in human skin.
6 citations
,
August 2022 in “International journal of molecular sciences” α-Phellandrene may help prevent hair loss by increasing growth factors and cell growth in hair cells through a specific signaling pathway.
2 citations
,
June 2005 in “Clinical Oncology” A man's bald spot grew hair after starting cancer treatment with gefitinib.
14 citations
,
June 2021 in “Journal of dermatological science” Argan press cake extract might help grow hair and protect hair cells from damage and inflammation.
13 citations
,
June 2020 in “International Journal of Molecular Sciences” HNG helps hair grow by keeping hair in the growth phase longer.
15 citations
,
April 2020 in “Journal of The American Academy of Dermatology” Botulinum toxin injections may help treat hair loss by blocking harmful secretion in hair follicles.
401 citations
,
January 2013 in “Postepy Dermatologii I Alergologii” The paper concludes that understanding melanocyte development can help in insights into skin diseases and melanoma diversity.
124 citations
,
June 2020 in “Cell Stem Cell” Fat cells in the skin help start healing and form important repair cells after injury.
41 citations
,
September 2011 in “Journal of Ethnopharmacology” Panax ginseng extract helps mice grow hair.
32 citations
,
February 2017 in “Oncotarget” Cellular senescence has both cancer-blocking and cancer-promoting effects, and targeting senescent cells may improve health and lifespan.
22 citations
,
March 2012 in “Molecular Medicine Reports” DHT affects hair follicle cells by changing microRNA levels, leading to less cell growth and more cell death.
11 citations
,
January 2000 in “Journal of Cutaneous Pathology” Short telomeres contribute to aging and cancer, and while telomerase can delay aging, it may also promote cancer.
7 citations
,
January 2016 in “Laboratory Investigation” TR3 is mainly found in hair follicle stem cells and may be involved in hair loss.
2 citations
,
July 2024 in “Frontiers in Veterinary Science” Apoptosis and ribosomal proteins are key in hair follicle cycle changes in cashmere goats.
1 citations
,
March 2022 in “Daehanhanuihakoeji” Artemisia sieversiana extract may help prevent hair loss and promote hair growth.
1 citations
,
January 2016 in “Journal of stem cell research and medicine” Fat-derived stem cell therapies can potentially increase hair growth and thickness in people with hair loss.
1 citations
,
January 2016 in “Journal of stem cell research and medicine” Fat-derived stem cell therapies can potentially increase hair growth and thickness in people with hair loss.
July 2024 in “International Journal of Molecular Sciences” The inhibitor DPP can promote hair growth.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
November 2025 in “EXPERIMENTAL ANIMALS” Stingless bee propolis may help regenerate hair follicles and improve pigment function in chemotherapy-induced hair loss.
April 2018 in “Journal of Investigative Dermatology” Fgf20 is important for the development and regulation of the cells that form the base of hair follicles.
7 citations
,
January 2021 in “Evidence-based complementary and alternative medicine” Porphyra-334 may help reduce wrinkles and promote hair growth.
173 citations
,
September 2011 in “Journal of Investigative Dermatology” IL-6 contributes to hair loss by shortening the growth phase and causing hair follicles to regress.
112 citations
,
February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
75 citations
,
March 2014 in “Journal of Investigative Dermatology” Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.