November 2025 in “Quality in Sport” Consistent use of natural methods is key for healthy hair and scalp.
July 2025 in “Journal of Investigative Dermatology” Wnt signaling helps regenerate hair follicles in wounds by reducing skin cell sensitivity to mechanical stress.
March 2025 in “The FASEB Journal” Intense stress stops hair growth by halting hair follicle stem cell activity.
January 2024 in “Journal of applied biological chemistry” Glehnia littoralis and Andrographis paniculata extracts can significantly boost hair growth.
April 2019 in “Journal of Investigative Dermatology” Activating the Sonic hedgehog pathway can help regenerate hair follicles during wound healing in mice, potentially improving regeneration after injury.
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.
Botulinum toxin A helped stop hair loss and grow new hair in mice.
January 2022 in “Stem cell biology and regenerative medicine” Dermal sheath cells can help grow new hair follicles and show promise in treating hair loss.
January 2021 in “Elsevier eBooks” hiPSCs can help regenerate hair follicles and treat hair loss.
211 citations
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October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
158 citations
,
February 2012 in “Journal of Investigative Dermatology” FGF18 helps keep hair in its resting phase, affecting hair growth cycles.
92 citations
,
September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
73 citations
,
May 2009 in “Proceedings of the National Academy of Sciences” Disrupting the Sox21 gene in mice causes hair loss and regrowth cycles.
26 citations
,
January 2013 in “BioMed Research International” Hormonal changes after childbirth and menopause can lead to women's hair loss and facial hair growth, with a need for better treatments.
13 citations
,
March 2020 in “Genes” Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.
1 citations
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December 2011 Marine-derived ingredients show potential for hair health but need more human trials to confirm effectiveness.
September 2013 in “Molecular Biology” The document suggests that activating autophagy might help with regeneration by removing old and damaged cells.
202 citations
,
August 2017 in “Nature cell biology” Lactate production is important for activating hair growth stem cells.
192 citations
,
April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
159 citations
,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
150 citations
,
April 1999 in “Dermatologic Clinics” Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.
81 citations
,
June 2010 in “Journal of Dermatological Treatment” The document concludes that minoxidil and finasteride are proven for hair growth, herbal remedies show promise, but more research is needed to confirm their effectiveness.
62 citations
,
July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.
61 citations
,
September 2020 in “Bioactive Materials” A special dressing called FEA-PCEI can speed up wound healing, reduce scars, and help grow new hair follicles, but only at the right dosage.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
41 citations
,
December 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Deleting MED1 in skin cells causes hair loss and skin changes.
37 citations
,
January 2010 in “Journal of Clinical Investigation” N-WASP is essential for normal hair growth in mice.
37 citations
,
January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
33 citations
,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.