August 2019 in “Journal of archaeological science: Reports/Journal of archaeological science: reports” Ancient hair can preserve hormones, revealing health and fertility insights.
May 2018 in “Journal of Investigative Dermatology” Fat under the skin can help hair grow longer, darker, and increase cell growth.
January 2002 in “Journal of Clinical Dermatology” 70 citations,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
60 citations,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
22 citations,
December 1991 in “PubMed” 17 citations,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
13 citations,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
13 citations,
November 2007 in “Journal of dermatological science” 12 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
10 citations,
May 2020 in “Journal of proteome research” Explosions don't stop hair proteins from being used to identify people.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
6 citations,
September 2013 in “Advanced materials research” Non-ionic silicone emulsion best protects hair color from sunlight.
6 citations,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
3 citations,
November 2022 in “Molecules/Molecules online/Molecules annual” The substances improved hair regrowth and protected hair cells in humans and mice.
3 citations,
September 2022 in “Molecules” Camellia seed cake extract may help hair growth by blocking the hair loss effects of a hormone called DHT.
March 2024 in “Bioimpacts” 400 nm particles penetrate hair follicles best, but mouse models aren't fully reliable for human studies.
April 2023 in “Journal of Investigative Dermatology” ALRN-6924 can protect hair follicles from chemotherapy damage by temporarily stopping cell division.
April 2023 in “Journal of Investigative Dermatology” A protein called MPZL3 in mitochondria slows down hair growth and could be a target for treating hair growth disorders.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Silybum marianum extract, Manganese PCA, and Lespedeza capitata extract may help with hair growth and anchorage, potentially aiding in hair loss treatment.
August 2016 in “Journal of Investigative Dermatology” Some men don't respond to common hair loss treatments, but a new inhibitor, FOL-005, shows promise for targeting unwanted hair growth.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
190 citations,
October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
58 citations,
January 1987 in “Archives of Dermatological Research” EGF and FGF boost hair cell growth, hydrocortisone slows it, and minoxidil doesn't affect it.
37 citations,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
13 citations,
July 2015 in “Archives of dermatological research” N1-methylspermidine helps hair growth and reduces inflammation in hair follicles.
12 citations,
August 2022 in “Ecotoxicology and Environmental Safety” A new method accurately detects bisphenols and parabens in human hair.
10 citations,
November 1997 in “British Journal of Dermatology” RU58841 significantly increases hair growth rate and initiates more hair cycles, but doesn't affect hair thickness, suggesting it could be a new treatment for baldness.
6 citations,
March 2019 in “Medical science monitor basic research/Medical science monitor. Basic research” VEGFR-2 is active in hair follicles, sebaceous glands, sweat glands, and skin on the human scalp.