April 2010 in “Cancer Research” CDK4 levels affect the number of hair follicle stem cells in mice.
24 citations
,
February 2007 in “International Journal of Dermatology” A woman with cervical cancer had rare scalp metastasis causing a unique type of hair loss.
124 citations
,
December 1983 in “Developmental Biology” EGF receptors are crucial for skin cell growth and decrease with age.
September 2024 in “Meditsinskiy sovet = Medical Council” As women age, hair follicles decrease in number and hair width tends to reduce.
19 citations
,
September 2019 in “British Journal of Dermatology” FOL-005 peptide can reduce human hair growth by lowering FGF7 levels.
72 citations
,
July 2012 in “Journal of Investigative Dermatology” Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.
3 citations
,
January 2014 in “Ophthalmic plastic and reconstructive surgery” Removing part of the eyelid usually doesn't change the number of eyelashes.
54 citations
,
August 1981 in “British Journal of Dermatology” Alopecia areata is linked to reduced T cell function and auto-immunity.
1 citations
,
September 2012 in “Journal of Investigative Dermatology” Aging reduces stem cell activation, leading to hair loss in mice lacking a specific enzyme.
11 citations
,
September 2012 in “Journal of animal physiology and animal nutrition” Higher protein diets with DL-methionine improve mink hair growth and fur quality.
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.
53 citations
,
January 2006 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Reduced AR gene methylation may cause early pubic hair growth in girls.
April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Eating raw cheonggukjang improves scalp hair in middle-aged women.
3 citations
,
October 2007 in “Expert Review of Dermatology” Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.
96 citations
,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
September 2024 in “Journal of Investigative Dermatology” VIP reduces hair pigmentation by decreasing melanin production.
3 citations
,
January 2016 in “Dermatology online journal” Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.
January 2023 in “Iranian Journal of Pharmaceutical Research” Stauntonia hexaphylla extract can help treat hair loss by blocking certain hormones.
24 citations
,
December 2014 in “International Journal of Molecular Medicine” Eclipta alba extract helps increase hair growth and decrease hair loss-related protein in mice.
3 citations
,
June 1979 in “The Journal of Dermatology” Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.
1 citations
,
November 2003 in “Annals of saudi medicine/Annals of Saudi medicine” A 17-year-old in Saudi Arabia was diagnosed with a rare skin condition causing red-brown facial patches.
32 citations
,
December 2013 in “Biological & Pharmaceutical Bulletin” Rice bran extract can potentially treat hair loss by promoting hair growth and increasing the number of hair follicles.
42 citations
,
March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.
75 citations
,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
19 citations
,
April 2013 in “Drug Development and Industrial Pharmacy” Hair follicles are important for the absorption of certain drugs into the skin.
8 citations
,
October 2017 in “Dermatology practical & conceptual” A spermidine-based supplement may help hair grow longer by keeping it in the growth phase.
7 citations
,
December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
2 citations
,
February 2014 in “Animal Biotechnology” The PTGER2 gene is highly active in Cashmere goat skin and its activity changes with the hair growth cycle.
June 2020 in “Journal of Investigative Dermatology” Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.
April 2018 in “Journal of Investigative Dermatology” Older hair follicle stem cells have a reduced ability to renew themselves, leading to more hair loss.