22 citations
,
October 2018 in “Aesthetic Plastic Surgery” This review discusses the latest understanding of androgenetic alopecia, including stem cell niches in hair follicles, and highlights emerging treatments like growth factors and platelet-rich plasma without new clinical findings.
5 citations
,
January 2018 in “Skin Pharmacology and Physiology” This study found that a high sesquiterpene C. aeruginosa extract significantly reduced axillary hair growth in women compared to placebo with no apparent adverse effects.
15 citations
,
November 2017 in “Drug Delivery and Translational Research” This study found that co-applying Curcuma aeruginosa extract or essential oil with minoxidil significantly increased minoxidil's skin penetration in an ex vivo setting, suggesting an improved topical treatment strategy for androgenic alopecia with greater efficacy and the potential for lower minoxidil doses.
79 citations
,
January 2017 in “Dermatology practical & conceptual” This article addresses the need to screen for nutrient deficiencies in patients with hair loss but reports no new findings, noting that supplementation without deficiency may not be beneficial and could pose risks.
18 citations
,
December 2016 in “Phytomedicine” In this study, applying 1% or 5% Curcuma aeruginosa essential oil lotion to the underarm for 10 weeks significantly slowed hair growth and brightened skin in young women, with no adverse effects reported.
11 citations
,
October 2015 in “Clinical and Experimental Dermatology” This study found that an extract from the root of Sophora flavescens Aiton significantly improved hair growth in patients with androgenetic alopecia over 6 months.
10 citations
,
April 2015 in “PubMed” This study found that rosemary oil and minoxidil 2% both increased hair count equally in patients with androgenetic alopecia after 6 months, with more scalp itching seen in the minoxidil group.
21 citations
,
December 2014 in “Clinics in dermatology” This review discusses squaric acid dibutylester's use, effects, and safety in treating alopecia areata, but reports no new clinical results.
49 citations
,
November 2014 in “Journal of Medicinal Food” In this study, red ginseng extract and its ginsenosides enhanced human hair follicle cell proliferation and countered dihydrotestosterone-induced suppression, suggesting potential to promote hair growth.
36 citations
,
January 2014 in “Evidence-based Complementary and Alternative Medicine” This study found that men with androgenetic alopecia treated with pumpkin seed oil for 24 weeks experienced a notable 40% increase in hair count compared to a 10% increase with a placebo.
7 citations
,
May 2013 in “PubMed” In this randomized, placebo-controlled study, the tested cosmetic ingredient containing Trifolium pratense flower extract and a biomimetic peptide increased anagen hair and improved the anagen/telogen ratio over four months in individuals with recessing hair.
24 citations
,
October 2012 in “Journal of Ginseng Research” In this study, Korean red ginseng combined with corticosteroid injections showed potential efficacy in treating alopecia areata over 12 weeks, suggesting it as a useful complementary treatment.
51 citations
,
October 2012 in “International Journal of Immunopathology and Pharmacology” In this study, 68% of patients treated with finasteride showed improved hair growth in male androgenetic alopecia, compared to 38% with Serenoa repens, indicating finasteride's superior efficacy.
44 citations
,
March 2012 in “Fitoterapia” In this study, germacrone from Curcuma aeruginosa showed anti-androgenic effects by inhibiting 5α-reductase, suggesting its potential as a lead compound for treating androgen-dependent disorders.
198 citations
,
October 2011 in “Journal der Deutschen Dermatologischen Gesellschaft” This article discusses the development of an evidence-based guideline for treating androgenetic alopecia and reports no new research results.
34 citations
,
July 2011 in “Journal of Dermatological Treatment” This study found that a combination of 5% hexane extract of Curcuma aeruginosa and 5% minoxidil slowed hair loss and increased hair growth in men with androgenetic alopecia.
19 citations
,
November 2010 in “PubMed” This review discusses advancements in the genetic understanding of androgenic alopecia and the FDA-approved treatments, including a new laser hair comb, but reports no clinical results.
25 citations
,
September 2009 in “Journal of Ginseng Research” This study found that taking Korean red ginseng significantly increased hair density and thickness in patients with androgenic alopecia compared to a placebo over 24 weeks.
42 citations
,
June 2009 in “Journal of Cosmetic Dermatology” In this study, researchers observed that follicular microinflammation significantly contributes to the early stages of male androgenetic alopecia, potentially leading to perifollicular fibrosis and follicle destruction as the condition progresses.
39 citations
,
March 2009 in “Archives of Dermatological Research” This study suggests that apigenin may stimulate hair growth by downregulating TGF-ß1 gene expression in human epidermal keratinocytes and promoting hair follicle elongation in a rat hair follicle culture.
28 citations
,
January 2009 in “Journal of Cutaneous and Aesthetic Surgery” This article discusses Serenoa repens for androgenetic alopecia and reports no strong evidence of its effectiveness, emphasizing the need for larger clinical trials.
61 citations
,
January 2007 in “Indian Journal of Dermatology Venereology and Leprology” This study found that garlic gel significantly improved the efficacy of topical betamethasone valerate in treating alopecia areata compared to placebo.
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.
100 citations
,
July 2006 in “British Journal of Dermatology” This study found that intralesional triamcinolone acetonide injections using a needleless injector led to rapid hair regrowth in patients with limited alopecia areata, while lasting growth was rare in alopecia totalis.
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.
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.
17 citations
,
November 2002 in “Australasian Journal of Dermatology” This case report describes a 24-year-old woman with androgenetic alopecia who developed sensitivity to topical minoxidil and later to saw palmetto after using a minoxidil and retinoic acid preparation.
190 citations
,
October 2002 in “The FASEB journal” In this study, androgen did not affect keratinocyte growth in coculture with androgenetic alopecia-derived dermal papilla cells, but did significantly suppress keratinocyte growth when androgen receptor was overexpressed in the papilla cells.
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.
229 citations
,
August 2002 in “Experimental Gerontology” This paper discusses key mechanisms of androgen metabolism in androgenetic alopecia and reports the effectiveness of treatments like oral finasteride and topical minoxidil, highlighting the limited success rate due to factors like follicular inflammation.
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.
72 citations
,
January 2001 in “Drugs” This review discusses current and emerging drug therapies for treating androgenetic alopecia and alopecia areata, and reports no clinical results; it highlights a need for improved and novel treatments.
32 citations
,
December 2000 in “Phytomedicine” In this study, 1% procyanidin B-2 tonic significantly increased the number of total and terminal hairs on the scalp of male participants compared to a placebo after 6 months of use.
28 citations
,
June 2000 in “PubMed” This article reviews the molecular mechanisms involved in androgenetic alopecia, focusing on the role of type 2 5α-reductase and DHT, but presents no new findings.
1113 citations
,
August 1999 in “The New England Journal of Medicine” This article discusses the biologic and psychosocial significance of hair, the current limitations in hair growth drugs, and anticipates future therapies based on advancing hair follicle research.
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.
22 citations
,
September 1998 in “PubMed” This study found that the water fraction of Panax ginseng may reduce apoptosis and enhance medullary cell formation in the hair follicles of irradiated mice, suggesting a potential protective effect.
745 citations
,
February 1992 in “Trends in genetics” This article describes the potential role of various growth factors and molecules in regulating mammalian hair follicle development but does not present new experimental results.
385 citations
,
November 1990 in “Journal of Cell Science” This study successfully grew and maintained human hair follicles in vitro, noting that TGF-β1 negatively affects growth, while EGF replicates hair-removal effects seen in animals.
27 citations
,
July 1990 in “International Journal of Dermatology” In this controlled study, a pulsed electrical field treatment significantly increased hair regrowth compared to baseline and the control group over 36 weeks, without observed side effects.
68 citations
,
March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.