7 citations
,
September 2014 in “Beni-Suef University Journal of Basic and Applied Sciences” This study found that ethanolic and petroleum ether extracts of Cuscuta reflexa, as well as an isolate from these extracts, improved hair growth and follicle characteristics in androgen-induced alopecia in rats.
42 citations
,
March 2014 in “European Journal of Pharmacology” This study found that minor ginseng saponin F2 may promote hair growth more effectively than finasteride by enhancing anagen induction and modulating the Wnt signaling pathway in cell and mouse models.
9 citations
,
January 2014 in “DARU Journal of Pharmaceutical Sciences” This study found that Cuscuta reflexa extracts promoted hair regrowth and follicular proliferation in cyclophosphamide-induced hair loss in male rats.
26 citations
,
May 2013 in “Marine Drugs” This study found that Ishige sinicola extract increased hair growth and cell proliferation in cultured vibrissa follicles and mice, suggesting potential benefits for treating alopecia through β-catenin activation and 5α-reductase inhibition.
17 citations
,
February 2013 in “PLOS ONE” This study found that 6-gingerol, a component of ginger, suppresses hair growth rather than promoting it, both in vitro and in vivo, suggesting potential use in hair removal treatments.
25 citations
,
January 2013 in “Journal of Industrial and Engineering Chemistry” This study found that cubosomal suspensions significantly enhanced the hair growth-promoting effects of Thuja orientalis, Polygonum multiflorum Thunberg, and Espinosilla extracts in a mouse model, making them as effective as Minoxidil.
54 citations
,
January 2013 in “BMC Complementary and Alternative Medicine” In this study, topical application of Thuja orientalis extract promoted hair growth by inducing the anagen phase and increasing hair follicle size and number in telogenic mice.
11 citations
,
December 2011 in “Revista Brasileira de Farmacognosia” In this animal study, petroleum ether and ethanolic extracts of Abrus precatorius seeds appeared to reverse androgen-induced alopecia in male albino rats by inhibiting the 5α-reductase enzyme, similar to finasteride.
41 citations
,
September 2011 in “Journal of Ethnopharmacology” This study indicates that Fructus panax ginseng extract may promote hair growth by increasing proliferation in human hair dermal papilla cells and lengthening the anagen phase in mice.
34 citations
,
August 2011 in “Journal of Natural Medicines” This study found that Puerariae Flos extract inhibited testosterone 5α-reductase and promoted hair growth in mouse models, suggesting its potential use for treating androgenic alopecia.
91 citations
,
April 2011 in “Journal of Ethnopharmacology” This study found that Polygonum multiflorum extract may promote hair growth by inducing the anagen phase in the resting hair follicles of mice.
29 citations
,
March 2011 in “The Journal of Nutritional Biochemistry” Eating isoflavone can help mice grow hair by increasing a growth factor.
25 citations
,
January 2011 in “Pharmacognosy magazine” This study found that Nardostachys jatamansi DC rhizome extracts and specific isolated terpenoids promoted hair growth.
2 citations
,
January 2011 This study found that topical 5% aqueous extract of Trichosanthes dioica R. leaves significantly promoted hair growth in rats compared to both a control and minoxidil treatment.
8 citations
,
January 2011 This study observed that a polyherbal ointment containing extracts from several plants promoted significant hair growth in rats compared to using single plant extracts.
3 citations
,
June 2010 in “Pharmacognosy journal” This study found that a formulated polyherbal antidandruff hair oil containing eucalyptus and ocimum volatile oils, along with hibiscus and phyllanthus extracts, showed both antifungal and hair growth activities in open pilot clinical trials.
73 citations
,
March 2010 in “Food and Chemical Toxicology” This study found that Zizyphus jujuba essential oil enhanced hair growth in mice, with the 1% and 10% concentrations showing increased hair length compared to control.
12 citations
,
January 2010 in “European Journal of Dermatology” In this study, an ethanol extract of Crinum asiaticum was observed to significantly increase hair-fiber lengths and promote hair growth in rat vibrissa follicles and C57BL/6 mice.
7 citations
,
January 2010 in “Pharmacognosy Research” This study evaluated the hair growth potential of a microbial biotransformed extract of tobacco leaves in male albino wistar rats, but no new results are provided in the abstract.
3 citations
,
October 2009 in “Iranian Journal of Basic Medical Sciences” This study suggests that the methanol extract of Buxus wallichiana has promising antioxidant properties and may promote hair growth, with varying effectiveness depending on the dosage and application form.
49 citations
,
July 2009 in “Fitoterapia” This study found that C. obtusa oils promoted hair growth in shaved mice and increased the expression of a hair growth regulator, VEGF, in a cell line.
121 citations
,
May 2009 in “Journal of Ethnopharmacology” This study found that the methanol extract of Eclipta alba showed dose-dependent hair growth promoting activity in pigmented C57/BL6 mice by influencing the transition from the telogen to anagen phase.
22 citations
,
March 2009 in “Journal of Natural Medicines” This study found that Erica multiflora extract promotes hair growth by enhancing dermal papilla cell activity and shifting hair follicles from the telogen to the anagen phase in both in vitro and in vivo models.
9 citations
,
March 2009 in “European Journal of Dermatology” In this animal study, the researchers found that Schisandra nigra extract may promote hair growth by extending the anagen phase and reducing TGF-beta2 expression.
9 citations
,
January 2009 in “International Journal of PharmTech Research” This study found that a herbal oil formulation containing Eclipta alba, Hibiscus rosa sinensis, and Nardostachys jatamansi showed better hair growth effects in wister albino rats compared to 2% minoxidil.
6 citations
,
January 2009 This study found that topical application of Russelia equisetiformis methanol extract significantly increased hair growth in albino Wistar rats, potentially due to its triterpene and flavonoid content.
39 citations
,
March 2008 in “Growth hormone & IGF research” Raspberry ketone may help grow hair and improve skin elasticity.
67 citations
,
May 2007 in “Journal of Cosmetic Dermatology” This study found that topical formulations including extracts from Cuscuta reflexa, Citrullus colocynthis, and Eclipta alba significantly accelerated hair growth initiation and completion in rats, indicating potential benefits for treating alopecia.
44 citations
,
January 2007 in “Biological & pharmaceutical bulletin” This study found that Piper nigrum leaf extract showed in vivo anti-androgenic activity and potent 5α-reductase inhibitory effects, with piperine and (−)-cubebin identified as active components.
108 citations
,
November 2006 in “Phytomedicine” This study found that EGCG from green tea may stimulate human hair growth by promoting the proliferation and anti-apoptotic activity in dermal papilla cells.
28 citations
,
December 2005 in “Journal of cosmetic dermatology” This study found that 0.7% apple procyanidin oligomers applied externally for six months significantly increased hair growth in men with male pattern baldness compared to placebo, with no observed adverse effects.
13 citations
,
June 2005 in “PubMed” In this study, 33% of mice treated with polyphenol extract from green tea showed significant hair regrowth, while no control group mice exhibited hair growth.
45 citations
,
February 2005 in “Steroids” This study reported that certain newly synthesized steroidal derivatives showed stronger inhibitory activity against the 5α-reductase enzyme than finasteride in hamsters, suggesting their potential as enzyme inhibitors.
25 citations
,
July 2004 in “Experimental Dermatology” This study found that water-soluble extracts of Illicium anisatum promoted hair follicle elongation in cultured mouse vibrissae, suggesting potential use in hair growth products.
128 citations
,
September 2003 in “Journal of Ethnopharmacology” This study found that the petroleum ether extract from the leaves of Hibiscus rosa-sinensis demonstrated more effectiveness in promoting hair growth in rats compared to the extract from its flowers.
3 citations
,
August 2003 in “PubMed” This study found that bergamot and boxthorn extract significantly improved skin antioxidant activity and collagen content while promoting hair growth in mice.
59 citations
,
August 2003 in “Phytotherapy Research” This study found that a 70% methanol extract from red ginseng stimulated hair growth in mouse vibrissal follicles, suggesting its bioactive components, particularly certain ginsenosides, may promote hair growth.
36 citations
,
December 2002 in “Experimental dermatology” This study found that procyanidin B-3, a compound isolated from barley extract, may promote hair growth by enhancing hair epithelial cell growth and counteracting TGF-β1's growth-inhibiting effects in vitro and in vivo.
26 citations
,
November 2002 in “Planta medica” In this study, the methanol extract of Cercidiphyllum japonicum heartwood was found to stimulate the proliferation of mouse hair epithelial cells, with several isolated compounds showing significant proliferative activities.
75 citations
,
October 2002 in “Journal of Dermatological Science” This study found that Sophora flavescens extract may promote hair growth in mice by inducing earlier hair cycle changes and regulating growth factors in dermal papilla cells.
95 citations
,
June 2002 in “The Journal of Dermatology” In this study, using topical crude onion juice significantly improved hair regrowth in patients with patchy alopecia areata compared to tap water.
65 citations
,
April 2002 in “Journal of Alternative and Complementary Medicine” This study found that 60% of men with mild to moderate androgenetic alopecia showed improvement after treatment with botanically derived 5AR inhibitors, suggesting these compounds may be effective, though larger trials are needed.
37 citations
,
January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” This study found that procyanidin B-2 may promote hair growth by reducing expression and inhibiting translocation of PKC isozymes in murine hair epithelial cells.
51 citations
,
January 2001 in “Biological & Pharmaceutical Bulletin” This study found that the aqueous ethanol extract of Myricae Cortex demonstrated in vitro testosterone 5alpha-reductase inhibitory activity and in vivo anti-androgenic effects in mouse and hamster models.
32 citations
,
January 2000 in “Skin pharmacology and physiology” In this study, procyanidin B-2 and C-1 were found to promote hair growth by selectively inhibiting protein kinase C, supporting their potential use for hair-growing activity.
115 citations
,
November 1999 in “Journal of The American Academy of Dermatology” In this study, men using 2% and 5% minoxidil solutions experienced a significant increase in hair weight for 96 weeks compared to placebo, with effects diminishing after treatment cessation.
79 citations
,
March 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that procyanidin oligomers, particularly dimers and trimers, significantly promoted hair growth in mice and hair epithelial cell cultures, suggesting potential use as hair growth agents.
122 citations
,
November 1998 in “Archives of Dermatology” This study found that aromatherapy involving essential oils significantly improved symptoms of alopecia areata compared to carrier oils alone in a randomized controlled trial.
64 citations
,
October 1998 in “Acta dermato-venereologica” This study found that proanthocyanidins from grape seeds significantly promote hair follicle cell proliferation and hair cycle transition in mice, suggesting their potential as hair growth agents.
62 citations
,
July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.
