November 2025 in “Journal of Pioneering Medical Science” Dietary interventions improved hair density and reduced dandruff by balancing scalp microbiota and reducing inflammation.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
3 citations
,
January 2021 in “Applied sciences” Fermented red ginseng and a traditional herb mix improved hair growth in mice.
60 citations
,
October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
29 citations
,
September 2012 in “Dermatologic Clinics” Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.
1 citations
,
September 2013 in “Elsevier eBooks” Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
194 citations
,
May 2000 in “Journal of Investigative Dermatology” The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.
176 citations
,
April 2011 in “Science” Hair stem cell regeneration is controlled by signals that can explain different hair growth patterns and baldness.
58 citations
,
October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
54 citations
,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
46 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting Acvr1b in mice causes severe hair loss and thicker skin.
46 citations
,
May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
27 citations
,
August 2018 in “Therapeutic Delivery” Nanotechnology could make hair loss treatments more effective and reduce side effects, but more research is needed before it's available.
4 citations
,
October 2022 in “Frontiers in public health” Cadmium chloride pollution can cause skin disorders, speed up aging, and prevent hair growth.
3 citations
,
February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
2 citations
,
December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
November 2024 in “Journal of Translational Internal Medicine” Exosomes from stem cells help hair regrowth by activating a specific signaling pathway.
July 2024 in “Journal of Dermatology Research Reviews & Reports” Stem cell therapy shows promise for treating hair loss by promoting hair growth.
April 2024 in “Lasers in medical science” Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.
November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
November 2023 in “Food science of animal resources” Lactilactobacillus curvatus LB-P9 taken orally helps hair regrow faster and thicker in mice.
September 2023 in “Nature communications” Alk1 in specific cells is crucial for proper nerve branching and hair function.
April 2018 in “Journal of Investigative Dermatology” Topical tofacitinib is effective in promoting hair growth for non-scarring alopecia.
January 2014 in “Journal of Investigative Dermatology” Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
60 citations
,
November 2013 in “Development” Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
159 citations
,
January 2006 in “BMC Cell Biology” Wnt signaling can improve skin healing by promoting epithelial growth.
9 citations
,
August 2021 in “Experimental dermatology” Hidradenitis suppurativa is a skin disease caused by the breakdown of the skin's natural immune barriers, especially around hair follicles.
108 citations
,
July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.