41 citations,
May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
6 citations,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
1 citations,
April 2021 in “Clinical, Cosmetic and Investigational Dermatology” Conflicting findings in androgenic alopecia are likely due to biopsy location, hair diameter diversity, and hair follicle miniaturization.
February 2021 in “Journal of The American Academy of Dermatology” Fibrosis in the bulge area of hair follicles can cause hair thinning in male pattern baldness, and drugs that inhibit fibrosis might help reverse this.
24 citations,
January 2018 in “Indian Journal of Dermatology, Venereology and Leprology” Androgenetic alopecia is mainly caused by genetic factors and increased androgen activity, leading to hair follicle miniaturization.
4 citations,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
242 citations,
February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
224 citations,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
53 citations,
April 2014 in “Experimental Dermatology” Wnt10b makes hair follicles bigger, but DKK1 can reverse this effect.
47 citations,
September 2008 in “British Journal of Dermatology” Ludwig pattern hair loss in women results from varying sensitivity in hair follicles, causing fewer visible hairs.
11 citations,
June 2019 in “Tissue & Cell” Hair stem cells produce a protein called COL17A1 that plays a key role in their development and is linked to hair thinning and baldness.
10 citations,
May 2021 in “Clinical, cosmetic and investigational dermatology” UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.
8 citations,
February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
4 citations,
April 2016 in “Experimental Dermatology” AGA causes hair loss through follicle miniaturization and hair cycle changes; regrowth depends on anagen initiation in kenogen follicles.
3 citations,
June 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The conclusion suggests that focusing on certain cellular pathways may improve the prevention and repair of hair loss caused by radiotherapy.
1 citations,
August 2002 in “Zeitschrift für Hautkrankheiten” Male androgenetic alopecia involves hair follicle miniaturization due to DHT, with potential treatments using inhibitors and blockers.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Damaged hair follicle stem cells may leave the skin to help maintain youthfulness.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Higher fluence in hair removal damages hair follicles more, while lower fluence mimics natural hair regression, with long-term IPL treatments effectively reducing hair.
April 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed for hair growth.
January 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed for hair growth.
January 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed to grow hair.
12 citations,
May 2016 in “British Journal of Dermatology” AGA progression involves increased lipid synthesis, electron transport, and hair follicle miniaturization.
22 citations,
January 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
8 citations,
June 2019 in “Scientific Reports” Increased PPARGC1α relates to hair thinning in common baldness.
42 citations,
June 2009 in “Journal of Cosmetic Dermatology” Hair loss in males involves inflammation, collagen buildup, and follicle damage, with severity increasing with age and baldness duration.
January 2024 in “Journal of Biosciences and Medicines” Future treatments for androgenic alopecia may focus on reactivating hair follicle stem cells and improving drug delivery.
July 2023 in “Journal of Clinical Medicine” The document concludes that understanding hair follicle histology and the hair cycle is crucial for diagnosing alopecia.
June 2016 in “Experimental Dermatology” Changing hair follicle identity could potentially reverse balding.
May 2015 in “Hair transplant forum international” Androgenetic alopecia causes hair loss by shrinking hair follicles due to androgens, with the connection between the muscle and hair follicle determining if the loss is reversible.