12 citations,
December 2009 in “Amino Acids” Putting α-methylspermidine on mouse skin can start hair growth.
91 citations,
April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
32 citations,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
17 citations,
August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
5 citations,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
10 citations,
July 2007 in “PubMed” Chemotherapy causes hair loss in cancer patients by affecting both growing and resting hair.
10 citations,
November 2022 in “Protein & Cell” Quercetin significantly helps hair growth by activating hair follicles and improving blood vessel formation around them.
March 2014 in “Journal of The American Academy of Dermatology” Mycophenolic acid may help hair grow by activating pathways important for hair growth.
5 citations,
February 2013 in “Klinik Psikofarmakoloji Bulteni-bulletin of Clinical Psychopharmacology” A teenager lost hair due to fluoxetine and sertraline, but it grew back after stopping these drugs and switching to a different one.
3 citations,
April 2014 in “Journal of Dietary Supplements” CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.
3 citations,
January 2007 in “Nishinihon hifuka/Nishi Nihon hifuka” Great Burnet extract may prevent hair loss by extending the hair growth phase.
December 2020 in “International journal of research in ayurveda and pharmacy” Eating well and avoiding synthetic hair products are key for healthy hair.
1 citations,
May 2018 in “Tropical Journal of Pharmaceutical Research” Intense pulsed-light therapy helps mice grow hair by activating a specific growth pathway.
129 citations,
October 2000 in “British Journal of Dermatology” Finasteride helps increase hair growth in men with hair loss.
34 citations,
March 2001 in “Cleveland Clinic Journal of Medicine” Manage hair shedding by identifying triggers, possibly using supplements or medications, and tracking with a health calendar.
2 citations,
January 1994 in “Journal of S C C J” The study concluded that certain hair growth measurements are good indicators of baldness severity and provide a more accurate assessment than subjective grading.
December 2014 in “Research and Reviews: Journal of Pharmacology and Toxicological Studies” Cabbage extract in hair gel may promote hair growth and could help treat hair loss.
50 citations,
August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
5 citations,
September 2018 in “Bioscience, Biotechnology, and Biochemistry” Thiosulfate may help hair grow faster in mice and works well with a common hair growth treatment.
3 citations,
January 2021 in “Plastic and Aesthetic Research” Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.
July 2022 in “Journal of Investigative Dermatology” Blocking DPP4 can help activate hair growth and improve hair regeneration.
54 citations,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
23 citations,
November 2006 in “Journal of Dermatological Science” Ethosomal minoxidil improves hair growth by penetrating deeper into skin and shortening hair cycle.
22 citations,
October 2020 in “Frontiers in Cell and Developmental Biology” Fisetin, a type of polyphenol, may help hair grow by increasing certain protein activities in cells.
2 citations,
January 2019 in “Annals of Dermatology” Melandrium firmum extract helps mice grow hair by blocking a hair loss enzyme and changing hair growth genes.
26 citations,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
17 citations,
February 2013 in “PLOS ONE” 6-Gingerol, found in ginger, may slow down hair growth and could be used for hair removal.
1 citations,
July 2006 in “American Journal of Psychiatry” Lamotrigine can cause hair loss.
June 2022 in “International journal of drug delivery technology” Convolvulus arvensis ethanolic extract can potentially promote hair growth and reduce hair loss.
32 citations,
June 1976 in “JAMA” Crash dieting can cause hair loss due to severe calorie restriction.