25 citations
,
March 2017 in “Archives of Dermatological Research” Sinapic acid may help hair growth by activating a specific cell pathway.
20 citations
,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
17 citations
,
April 2021 in “Molecules/Molecules online/Molecules annual” Linoleic acid from Malva verticillata seeds may help treat hair loss by promoting hair cell growth and blocking baldness signals.
15 citations
,
July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
15 citations
,
June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.
10 citations
,
September 2020 in “Archives of Dermatological Research” Both methods improve hair density and thickness; double-spin may be more effective.
10 citations
,
April 2019 in “Journal of Analytical Science and Technology” Lactobacillus plantarum hydrolysates may help increase hair growth by boosting VEGF production.
7 citations
,
January 2009 in “Biological & pharmaceutical bulletin” Ferrous Ferric Chloride may improve skin cell function and increase hair growth in mice.
7 citations
,
October 2000 in “Allergo Journal” Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.
5 citations
,
November 2016 in “Experimental and Therapeutic Medicine” BeauTop improves hair growth in androgenetic alopecia patients.
3 citations
,
December 2019 in “Biomedical dermatology” Sonic hedgehog proteins may help grow hair.
1 citations
,
June 2024 in “Archives of Dermatological Research” Betulin oil doesn't stop hair loss or help regrow hair in hypothyroidism.
1 citations
,
August 2012 in “Food Science and Biotechnology” The essence made from fermented products increased hair growth in mice better than minoxidil.
1 citations
,
November 2008 Yonnyuniksoogobon-dan taken orally promotes hair growth by affecting growth factors in hair roots.
October 2023 in “Scientific reports” Dexamethasone affects hair growth by altering levels of proteins that either promote or inhibit hair follicle growth.
August 1994 in “Drugs & Therapy Perspectives” Some drugs can cause hair loss or growth, but hair usually returns to normal after stopping the drug.
February 2026 in “Journal of Integrative Neuroscience” NGF-modified hair follicle stem cells may help treat Alzheimer's by improving brain function and reducing harmful proteins.
82 citations
,
September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
9 citations
,
December 2013 in “Toxicological Research” Chamaecyparis obtusa oil may help hair grow similarly to minoxidil by affecting certain growth markers and cell factors.
October 2023 in “JOJ dermatology & cosmetics” Thiocyanate helps hair growth and can be supplemented in diet or applied topically.
166 citations
,
August 2011 in “Dermatologic Surgery” Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.
44 citations
,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
23 citations
,
September 2011 in “Journal of Dermatological Science” Red LED light helps mouse hair grow by increasing growth factors from skin cells.
12 citations
,
October 2012 in “Dermatologic Clinics” Low-Level Laser Therapy and other light treatments for hair growth lack strong evidence and need more research.
6 citations
,
February 2018 in “PLOS ONE” Insect wax, especially its policosanol content, may help hair regrow by changing hair follicle phases and increasing nutrient supply.
4 citations
,
February 2022 in “Frontiers in molecular biosciences” Chronic stress in mice changes skin metabolism and gene expression, leading to hair loss.
January 2006 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.
June 2005 in “Key Engineering Materials” Using hydrogels to slowly release growth factors can effectively boost hair growth in mice.
51 citations
,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
11 citations
,
September 2020 in “Journal of Cosmetic Dermatology” Silver nanoparticles can significantly promote hair growth.