July 2025 in “Scientific Reports” Serotonin helps hair grow by activating certain cells.
May 2024 in “Journal of functional foods” Coffee bean residue extract helps hair growth by activating cell processes.
2 citations
,
March 2021 in “Journal of Cosmetic Dermatology” Umbilical cord-derived media is safe and effective for hair growth.
78 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” TGF-β1 from dermal papilla cells suppresses hair growth, and targeting it may help treat androgenetic alopecia.
21 citations
,
November 2017 in “Scientific Reports” Different human hair follicle stem cells grow at different rates and respond differently to a baldness-related compound.
19 citations
,
September 2013 in “Molecular Medicine Reports” Human hair follicle stem cells can become smooth muscle cells using specific growth factors.
3 citations
,
January 2017 in “Yonsei Medical Journal” Blocking 11β-HSD1 can lessen the harmful effects of glucocorticoids on hair growth cells.
13 citations
,
April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Blocking a specific enzyme can reduce the negative impact of stress hormones on hair growth cells.
40 citations
,
June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
344 citations
,
June 2006 in “American Journal Of Pathology” Human hair follicles can provide stem cells for regenerative medicine.
2 citations
,
March 2013 in “Hair transplant forum international” Research on "hair cloning" for hair loss shows potential for hair thickening but has not yet achieved new hair growth in humans.
March 2025 in “International Journal of Molecular Sciences” Veratric Acid may help promote hair growth and reduce hair loss.
28 citations
,
March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
Hair growth is maintained by specific cell signals.
24 citations
,
March 2001 in “Journal of Endocrinology/Journal of endocrinology” Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.
212 citations
,
September 2015 in “Journal of Investigative Dermatology” The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.
7 citations
,
June 2021 in “Cell Proliferation” Low oxygen levels improve the function of hair and skin cells when they are in direct contact.
Certain natural products may help stimulate hair growth by affecting stem cell activity in the scalp.
4 citations
,
December 2020 in “International journal of research - granthaalayah” Tetracycline can stick to hair follicles and potentially cause hair loss.
71 citations
,
October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
20 citations
,
September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
61 citations
,
June 2014 in “Scientific Reports” Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.
31 citations
,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
13 citations
,
June 2020 in “Stem Cells International” A substance from a specific gel helped to grow hair effectively in mice, suggesting it could potentially be used to treat hair loss in humans.
25 citations
,
June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
6 citations
,
February 2014 in “Experimental Dermatology” Hair follicle regeneration is possible but challenging, especially in humans, due to the need for specific cells and a better understanding of how they signal growth.
January 2015 in “Springer eBooks” Fat-derived stem cells and their secretions show promise for treating skin aging and hair loss.
July 2025 in “Biotechnology and Bioprocess Engineering” Camellia japonica seed extract helps hair grow by activating hair follicles and preventing cell aging.
2 citations
,
May 2017 in “InTech eBooks” Stem cells could improve hair growth and new treatments for baldness are being researched.