January 2026 in “Western Journal of Nursing Research” Hair cortisol levels don't reliably indicate chronic stress in people with multiple sclerosis.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
44 citations
,
November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
27 citations
,
January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
January 2026 in “Medico Research Chronicles” Homeopathic treatment improved hair loss after other methods failed.
January 2024 in “Skin appendage disorders” Environmental pollutants can damage hair health and cause hair loss.
Nanocarriers with plant extracts show promise for safe and effective hair growth treatment.
286 citations
,
June 2012 in “Nature Immunology” Hair follicles help attract immune cells to the skin during stress.
283 citations
,
February 2011 in “Cell stem cell” COL17A1 is crucial for preventing hair graying and loss by supporting hair and pigment stem cells.
245 citations
,
October 2015 in “Nature medicine” Hair follicle-derived IL-7 and IL-15 are crucial for maintaining skin-resident memory T cells and could be targeted for treating skin diseases and lymphoma.
136 citations
,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
106 citations
,
February 2014 in “eLife” Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.
85 citations
,
January 2018 in “Cell stem cell” Different signals work together to change gene activity and guide hair follicle stem cells to become specific cell types.
61 citations
,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
38 citations
,
December 2006 in “Journal of Investigative Dermatology” Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.
30 citations
,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
29 citations
,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.
22 citations
,
January 2020 in “PeerJ” Keratin peptides in hair might help identify gender and ethnicity.
11 citations
,
October 2021 in “Stem Cell Research & Therapy” Hair follicle stem cells reduced hair loss and inflammation in mice with a condition similar to human alopecia.
10 citations
,
May 2021 in “Clinical, cosmetic and investigational dermatology” UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.
10 citations
,
January 2021 in “BioMed Research International” Some recovered COVID-19 patients experience skin, hair, and nail issues, suggesting they need follow-up care.
10 citations
,
April 2020 in “PloS one” Lack of Crif1 in hair follicle stem cells slows down hair growth in mice.
7 citations
,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
5 citations
,
January 2023 in “Cell proliferation” Chick embryo extract helps rat hair follicle stem cells potentially turn into Schwann cells, important for the nervous system.
4 citations
,
April 2024 in “The Journal of Cell Biology” Caspase-1 helps hair stem cells move to heal wounded or inflamed skin.
4 citations
,
August 2023 in “Biomedicine & Pharmacotherapy” Ivacaftor can protect against noise-induced hearing loss by reducing oxidative stress.
4 citations
,
April 2012 in “Asian-australasian Journal of Animal Sciences” Red deer antler extract may help hair grow faster by increasing a growth protein.
3 citations
,
December 2024 in “Journal of Animal Physiology and Animal Nutrition” FGF20 is essential for hair follicle stem cell growth and development in fine-wool sheep.
3 citations
,
July 2023 in “Frontiers in Aging” Hair follicle stem cells change states with age, affecting hair growth and aging.
2 citations
,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.