5 citations
,
October 2020 in “Giornale italiano di dermatologia e venereologia” This study found that a phyto-caffeine-containing shampoo was more effective than a control shampoo in reducing hair loss and improving hair strength in women with androgenetic alopecia over a 6-month period.
46 citations
,
August 2019 in “Journal of the European Academy of Dermatology and Venereology” This study found that patients with alopecia areata reported worse quality of life and higher anxiety and depression levels compared to those with androgenetic alopecia and healthy controls.
10 citations
,
June 2019 in “International Journal of Cosmetic Science” This review discusses the potential benefits of phytochemicals for hair care and emphasizes the need for more robust preclinical and clinical studies, without reporting new clinical results.
28 citations
,
March 2019 in “Journal of Dermatological Science” This review discusses methods for evaluating hair growth-promoting effects of candidate substances for androgenetic alopecia, focusing on cell assays, organ cultures, and animal models, and reports no new results.
35 citations
,
January 2018 in “Skin pharmacology and physiology” This study found that nanoemulsion formulations with oleic acid or eucalyptol significantly enhanced the delivery and retention of caffeine through hair follicles and surrounding skin regions.
11 citations
,
July 2017 in “Expert Opinion on Investigational Drugs” This review discusses current and emerging therapeutic strategies for androgenetic alopecia, noting limited evidence but suggesting areas such as prostaglandin analogs, PRP, and progenitor cell therapies as promising future directions.
21 citations
,
January 2017 in “Skin Pharmacology and Physiology” In this noninferiority study, researchers found that a 0.2% caffeine-based topical liquid was not less effective than 5% minoxidil solution in improving hair growth in men with androgenetic alopecia over six months.
36 citations
,
December 2016 in “Journal of The American Academy of Dermatology” In this study, researchers evaluated the hair pull test and found that normal values should be reduced to two hairs or fewer, with no significant impact from hair washing, brushing, or lifestyle factors such as hair texture and medication use.
10 citations
,
February 2016 in “Anais Brasileiros de Dermatologia” This case report describes a 5-year-old child in Brazil who developed generalized hypertrichosis after using topical minoxidil, suggesting caution when using it in children.
26 citations
,
December 2015 in “Journal of The European Academy of Dermatology and Venereology” This article introduces a new grading system called the FPHL Severity Index to better identify and monitor early stages of female pattern hair loss using clinical criteria.
120 citations
,
November 2014 in “Biological Reviews” This article explores the dynamic and energy-efficient nature of telogen hair follicles, challenging the notion of dormancy, and highlights their potential in advancing treatments for hair growth disorders.
60 citations
,
May 2014 in “British Journal of Dermatology” This study found that caffeine enhanced hair growth and keratinocyte proliferation in human hair follicles, with female follicles showing greater sensitivity than male ones.
8 citations
,
October 2013 in “Der Hautarzt” This article discusses approaches to diagnosing and treating androgenetic alopecia but reports no new clinical results.
17 citations
,
October 2013 in “F1000Research” This case report details a 2-year-old boy who developed generalized hypertrichosis after using 5% minoxidil foam for alopecia areata, highlighting the importance of caution and proper administration instructions for young children.
46 citations
,
October 2012 in “Dermatologic Clinics” This review discusses treatment options for female pattern hair loss, emphasizing the importance of early intervention and the benefits of combined therapies, but reports no new clinical results.
11 citations
,
July 2012 in “International Journal of Trichology” Caffeine may help hair growth in hereditary hair loss.
94 citations
,
May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” This study found that hair follicles contribute significantly to caffeine absorption shortly after topical application, with a faster absorption rate compared to the stratum corneum.
26 citations
,
December 2009 in “Laser Physics” This study observed that caffeine-containing shampoo can penetrate hair follicles to a depth of approximately 200 μm and remains detectable even after 24 hours, suggesting a potential long-term reservoir effect.
82 citations
,
May 2009 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” The study reported that combining the Follicular Closing Technique with the Franz diffusion cell is a valuable method for investigating follicular caffeine penetration in vitro, though kinetics differ from in vivo results.
73 citations
,
March 2009 in “Seminars in Cutaneous Medicine and Surgery” This article reviews various diagnostic tools for hair disorders, describing methods ranging from invasive to noninvasive, but reports no new research findings or clinical results.
81 citations
,
March 2009 in “Seminars in Cutaneous Medicine and Surgery” This review discusses the classifications, diagnostic methods, and treatment strategies for female pattern hair loss, but reports no clinical results.
91 citations
,
January 2009 in “International Journal of Trichology” This review discusses the advantages and limitations of various hair loss evaluation methods but reports no new results; it emphasizes the importance of cautious interpretation for these diagnostic tools.
182 citations
,
December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” This study demonstrated that hair follicles significantly expedite the absorption of caffeine through the skin compared to interfollicular pathways.
24 citations
,
February 2007 in “Laser Physics Letters” This study found that a caffeine-containing shampoo penetrated deeply into hair follicles in just two minutes and remained there for up to 48 hours, even after washing.
93 citations
,
January 2007 in “Skin Pharmacology and Physiology” In this study, caffeine applied in a shampoo penetrated hair follicles faster and more effectively than through the skin surface within the first 20 minutes.
114 citations
,
January 2007 in “International Journal of Dermatology” This study found that caffeine can stimulate hair growth in vitro and counteract testosterone-induced growth suppression in hair follicles from male AGA patients.
16 citations
,
December 2006 in “Expert Review of Dermatology” This review discusses the multifaceted roles of hair follicles in skin health, including potential contributions to skin neoplasias, and reports no new results.
33 citations
,
September 2006 in “International Journal of Cosmetic Science” This study found that applying caffeine significantly improved the skin barrier function of male volunteers by reducing transepidermal water loss compared to female volunteers.
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.
54 citations
,
July 2002 in “Clinical and Experimental Dermatology” This article provides a critical overview of recent discoveries in the genetics and molecular processes involved in androgenetic alopecia, focusing on its polygenic basis and DHT dependency, but reports no new clinical results.
86 citations
,
July 2002 in “Clinical and Experimental Dermatology” This review discusses female pattern hair loss, emphasizing its complex causes and the limited treatment options available, and reports no new clinical results.
123 citations
,
February 2002 in “Journal of The American Academy of Dermatology” Minoxidil can cause skin allergy; use alternative solvents or treatments if allergic.
89 citations
,
January 2001 in “Dermatologic Surgery” Hair loss in women is common, starts in late 20s, and affects 30% of women over 50.
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.
133 citations
,
July 1994 in “Journal of Dermatological Science” In this study, the researchers developed an in vitro model that maintains human hair follicles to grow at in vivo rates and observed that factors like EGF and IGF-I influence hair follicle growth and catagen entry.