Suruhan plant extract may increase hair length but not hair mass in rabbits.
January 2024 in “ResearchWorks at the University of Washington (University of Washington)” LA-ICP-MS effectively measures zinc, lead, and mercury in hair.
200 citations
,
November 1997 in “Planta” Calcium affects where root hairs grow, but other unknown factors determine their growth direction.
161 citations
,
June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
114 citations
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January 2007 in “International Journal of Dermatology” Caffeine can stimulate hair growth and counteract testosterone's suppressive effects on hair follicles.
79 citations
,
March 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Procyanidin compounds from grape seeds were found to significantly increase mouse hair growth.
79 citations
,
January 2000 in “Annals of Clinical Psychiatry” Some psychiatric medications can cause hair loss, but stopping or reducing the dose usually reverses it.
74 citations
,
March 2006 in “Journal of Chromatography B” Hair analysis is promising for detecting drug misuse in livestock.
69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
67 citations
,
May 2013 in “Therapeutic drug monitoring” Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.
64 citations
,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
61 citations
,
December 2001 in “Journal of Investigative Dermatology” Steroid sulfatase in hair follicles may be a target for treating hair loss.
57 citations
,
April 2009 in “Differentiation” SDF-1/CXCL12 and its receptor CXCR4 are crucial for melanocyte movement in mouse hair follicles.
53 citations
,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
51 citations
,
September 2000 in “Acta dermato-venereologica” PPAR alpha may help in hair growth and could be a target for treatment.
45 citations
,
September 2012 in “Life Sciences” Aconiti Ciliare Tuber extract may help hair grow by activating a specific cell signaling pathway.
39 citations
,
November 2016 in “Pharmaceutics” The hair follicle pathway significantly affects how easily water-loving chemicals pass through the skin.
39 citations
,
March 2009 in “Archives of Dermatological Research” Apigenin may help promote hair growth and could treat hair loss.
37 citations
,
February 2014 in “Journal of Dermatology” Valproic acid increases hair count in men with hair loss.
36 citations
,
September 2018 in “American Journal of Clinical Dermatology” Combination of 0.25% finasteride and 3% minoxidil works better than just 3% minoxidil for increasing hair thickness in women.
34 citations
,
November 2013 in “Breast Cancer Research and Treatment” Aromatase inhibitor therapy for breast cancer increases the risk of hair loss and thinning.
33 citations
,
January 2006 in “Journal of Dermatological Science” A long-acting Vitamin C derivative helps hair grow by stimulating cells and increasing growth factors.
33 citations
,
January 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
30 citations
,
July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
30 citations
,
July 1998 in “British Journal of Dermatology” Fat cells slow hair cell growth but speed up their development.
30 citations
,
March 2012 in “Journal of Analytical Toxicology” THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
29 citations
,
December 1998 in “European Respiratory Journal” Hair bleach can make rabbit airways more sensitive.
28 citations
,
July 2011 in “Journal of Plastic Reconstructive and Aesthetic Surgery” A patient had skin tissue death at the hair removal site after a hair transplant, which was treated with surgery.
27 citations
,
February 2017 in “Biomedicine & Pharmacotherapy” White wax and policosanol from white wax effectively reduced hair loss and promoted hair growth in mice better than a known hair growth drug.
27 citations
,
January 1993 in “Archives of Dermatological Research” Hair follicles can grow and increase DNA synthesis in a serum-free environment, and minoxidil sulphate boosts this process.