46 citations
,
January 1996 in “Journal of The American Academy of Dermatology” People with late-stage HIV-1 often experience a specific type of hair loss linked to multiple factors, including nutritional issues and immune responses.
August 2025 in “International Journal of Molecular Sciences” Broccoli sprout extract may help regrow hair by improving hormone metabolism.
13 citations
,
May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
6 citations
,
May 1987 in “Acta dermato-venereologica” Syphilis patients showed abnormal hair root changes, with no difference between primary and secondary stages.
35 citations
,
November 2021 in “Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology” DNA methylation changes in Tan sheep affect growth and fur traits.
5 citations
,
September 2016 in “Journal of Cosmetic Dermatology” Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
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.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
479 citations
,
January 2005 in “BioEssays” Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.
31 citations
,
April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
127 citations
,
March 2016 in “PLoS ONE” Key genes and pathways crucial for hair follicle development in cashmere goats were identified, aiding fleece production improvement.
May 2026 in “Frontiers in Pharmacology” Dendrobium officinale polysaccharide helps hair regrowth in hair loss mice by affecting local steroid metabolism and hair follicle responses.
11 citations
,
October 2018 in “The Journal of Dermatology” Decorin helps keep hair follicle stem cells and may prevent age-related hair loss.
April 2017 in “The FASEB Journal” Eating more vitamin A changes hair growth-related proteins in mice, affecting hair cycle stages.
11 citations
,
October 2016 in “Biomedicine & Pharmacotherapy” Both human platelet lysate and minoxidil can promote hair growth, but they affect different genes and cell survival rates.
9 citations
,
June 2014 in “Molecular biology reports” KAP9.2 and Hoxc13 genes are important for cashmere growth and vary in activity during different stages.
15 citations
,
May 2020 in “BMC complementary medicine and therapies” Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
May 2022 in “Research Square (Research Square)” Nestin marks cells that can become a specific type of skin cell in hair follicles of both developing and adult mice.
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.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
6 citations
,
February 2018 in “PLOS ONE” Insect wax, especially its policosanol content, may help hair regrow by changing hair follicle phases and increasing nutrient supply.
33 citations
,
April 2005 in “British Journal of Dermatology” Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.
37 citations
,
January 2009 in “The Journal of Dermatology” Hair follicle stem cells can turn into various cell types and help repair nerves.
35 citations
,
November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
96 citations
,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
16 citations
,
February 2014 in “Journal of Investigative Dermatology” Researchers developed a mouse model that tracks hair growth using bioluminescence, improving accuracy in studying hair cycles.
98 citations
,
July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.
April 2017 in “Journal of Investigative Dermatology” The BMP/Smads pathway and Id2 gene control hair follicle stem cells, affecting their rest and growth phases.