December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Abnormal contraction of connective tissue in hair follicles causes hair loss by killing off important cells, and treating this could improve hair growth.
December 2023 in “International journal of ophthalmology” The technique effectively improved upper eyelid symmetry in patients with mild and moderate blepharoptosis.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors help hair growth by boosting beta-catenin activity in hair root cells.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Particulate matter causes inflammation in hair cells, potentially harming hair growth.
June 2022 in “Research Square (Research Square)” Nestin-expressing cells turn into a specific type of skin cell in hair follicles during development and in adults.
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.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific mutation in the TRPV3 gene causes hair follicle cells to develop improperly, leading to hair loss.
September 2018 in “Cosmetics” Inositol and arginine solutions improve hair follicle health and turnover.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
November 2016 in “Oncology Letters” Milia may come from the outer part of the hair follicle.
January 2016 in “프로그램북(구 초록집)” LED light promotes hair growth by stimulating cell proliferation and reducing cell death.
January 2008 in “Linchuang pifuke zazhi” Betamethasone activates and increases the growth of certain skin cells from hair follicles.
September 2017 in “Journal of Investigative Dermatology” Injections of special skin cells showed potential in treating hair loss, with some participants experiencing increased hair density.
26 citations,
January 1964 in “Experimental Cell Research” 14 citations,
December 2020 in “Journal of Investigative Dermatology” Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.
6 citations,
July 2012 in “Experimental Dermatology” The substance from human hair root cells can help maintain hair growth and make skin cells more capable of growing hair.
34 citations,
July 1958 in “Biochimica et Biophysica Acta” April 2017 in “Journal of Investigative Dermatology” April 2023 in “Journal of Investigative Dermatology” Protein analysis shows aging changes in scalp cell types from women.
60 citations,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
85 citations,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
19 citations,
July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
2 citations,
March 2011 in “Veterinary Dermatology” FGF18 is present in beagle dog hair follicles, mainly in the inner root sheath.
1 citations,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
26 citations,
November 1968 in “The Lancet” Malnourished Andean Indian children had abnormal hair roots compared to healthy children.
13 citations,
May 2005 in “Seminars in Plastic Surgery” Follicular Cell Implantation might become a new treatment for hair loss and could lead to advances in organ regeneration.
Hair follicle-like structures can form when specific hair cells are mixed and implanted in mice.