June 2025 in “International Journal of Research in Dermatology” In this case series, researchers observed that combining 0.1% tretinoin gel with 5% minoxidil over 90 days improved hair growth and patient satisfaction in androgenetic alopecia patients who did not previously respond to minoxidil alone, with significant increases in hair count, density, and quality.
August 2024 in “Stem Cell Research & Therapy” This review discusses current and emerging therapies for androgenetic alopecia, emphasizing regenerative treatments and nanotechnology advancements, but it reports no new clinical results.
April 2024 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study investigates the role of retinoic acid in regulating hair follicle stem cell homeostasis to identify new potential targets for treating androgenetic alopecia.
April 2024 in “Nigerian Postgraduate Medical Journal” This review summarizes existing knowledge on androgenetic alopecia, including its epidemiology, pathophysiology, and management, but presents no new research findings.
March 2024 in “Journal of cosmetic dermatology” This study found that oral isotretinoin significantly reduced symptoms in nearly 90% of patients with frontal fibrosing alopecia, affecting both facial papules and hair loss.
13 citations
,
February 2022 in “JAMA Dermatology” This meta-analysis reported that 0.5 mg/d of dutasteride significantly increased total hair count at 24 weeks compared to finasteride and minoxidil in men with androgenetic alopecia.
19 citations
,
March 2021 in “Experimental and Therapeutic Medicine” This review examines recent literature on isotretinoin's teratogenic effects in both fertile females and males, analyzing its role in causing congenital malformations but provides no new clinical results.
4 citations
,
December 2020 in “Giornale italiano di dermatologia e venereologia” This guideline summarizes evidence-based and expert-based recommendations for treating androgenetic alopecia, adapted by an Italian expert group in alignment with Italian pharmacological policies.
24 citations
,
September 2020 in “Dermatology and therapy” This study found that low-dose oral minoxidil 5 mg daily significantly increased hair growth in men with androgenetic alopecia over 24 weeks, with increased hair count and vertex area improvement, though most experienced hypertrichosis and some had pedal edema.
14 citations
,
September 2020 in “Dermatologic Therapy” This study reported that oral minoxidil improved hair density and had an acceptable safety profile in women with androgenetic alopecia.
5 citations
,
May 2020 in “Clinical and Experimental Dermatology” This correspondence discusses clascoterone as a potential new treatment for androgenetic alopecia but reports no clinical results.
5 citations
,
January 2020 in “Skin appendage disorders” This study found that oral dutasteride increased hair count more than intralesional administration in androgenetic alopecia, but more research is needed for a reliable comparison.
47 citations
,
June 2019 in “Nature Communications” This study found that self-noncoding dsRNA activates TLR3 to stimulate intrinsic retinoic acid synthesis, promoting new hair follicle formation in wounded mice and showing similar gene expression changes in humans treated with rejuvenation lasers.
52 citations
,
May 2019 in “Journal of The American Academy of Dermatology” This study evaluated the effectiveness and safety of low-dose oral minoxidil (2.5-5 mg daily) in men with male androgenetic alopecia, aiming to contribute data to an area with limited previous reports. Results are not provided in the abstract.
8 citations
,
April 2019 in “Dermatologic Therapy” This study found that applying topical tretinoin can influence follicular sulfotransferase expression, enabling 43% of predicted nonresponders to minoxidil to respond positively in the context of androgenetic alopecia.
11 citations
,
March 2019 in “Journal of The American Academy of Dermatology” This review identifies evidence of sexual adverse effects, particularly linked to finasteride, in men using systemic dermatologic medications but reports no new clinical findings.
14 citations
,
March 2019 in “European journal of pharmaceutics and biopharmaceutics” This study observed that proretinal nanoparticles delivered significantly higher concentrations of retinal to the stratum corneum and hair follicles compared to non-particulate forms, potentially improving topical retinoid therapy.
5 citations
,
November 2018 in “Skin appendage disorders” This study found that oral finasteride increased the total number of hairs in men with androgenetic alopecia by 55% over 2.5 years, but did not reduce the number of miniaturized vellus hairs.
January 2018 in “Our Dermatology Online” This review summarizes the use of injectable dutasteride mesotherapy for androgenic alopecia and reports improved hair growth when combined with other substances, but highlights the need for further studies to establish long-term protocols.
50 citations
,
March 2017 in “PeerJ” This study found that longer exposure to 5α-reductase inhibitors significantly increased the risk of persistent erectile dysfunction, especially in younger men exposed to finasteride.
26 citations
,
September 2015 in “Journal of The American Academy of Dermatology” In this study, spironolactone was reported to stabilize or improve female pattern hair loss in 74.3% of treated women, especially those with signs of hyperandrogenism.
81 citations
,
August 2014 in “Lasers in Surgery and Medicine” This study found that low-level laser therapy significantly increased hair growth in women with androgenic alopecia, achieving a 37% greater increase in hair counts compared to placebo.
97 citations
,
January 2014 in “Journal of The American Academy of Dermatology” This study found that dutasteride increased hair growth and restoration in men with androgenetic alopecia more effectively than finasteride and was well tolerated over 24 weeks.
42 citations
,
August 2013 in “International Journal of Women's Health” This review discusses the current therapeutic options for female pattern hair loss and emphasizes the need for managing patient expectations of permanent regrowth, reporting no new clinical results.
74 citations
,
January 2013 in “Journal of Investigative Dermatology” Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.
7 citations
,
January 2013 in “Journal of Investigative Dermatology” This study suggests that dietary vitamin A may influence alopecia development and progression, but the mechanisms remain unclear, highlighting the interplay between genetics and nutrition in these hair loss conditions.
115 citations
,
September 2012 in “Experimental Dermatology” This article reviews the molecular mechanisms involved in androgenetic alopecia and the androgen's paradoxical role in hair growth, but reports no new experimental findings.
81 citations
,
August 2011 in “Journal of The American Academy of Dermatology” In this study, latanoprost significantly increased hair density in young men with mild androgenetic alopecia after 24 weeks, suggesting it may stimulate hair follicle activity and treat hair loss.
151 citations
,
August 2010 in “British Journal of Dermatology” This guideline reviews the diagnosis of androgenetic alopecia and offers expert consensus recommendations tailored to males, females, and adolescents, but reports no new clinical results.
92 citations
,
June 2010 in “Journal of The American Academy of Dermatology” This study found that 0.5 mg of dutasteride significantly improved hair growth compared to placebo and was well tolerated over six months in men with male pattern hair loss.
41 citations
,
January 2007 in “Journal of Korean Medical Science” This study found that combining minoxidil with all-trans retinoic acid additively promoted hair growth in vitro by activating certain cell survival pathways and reducing apoptosis markers more effectively than minoxidil alone.
43 citations
,
January 2007 in “American Journal of Clinical Dermatology” This study concluded that a combined once-daily solution of 5% minoxidil and 0.01% tretinoin is as effective and safe as the conventional twice-daily 5% minoxidil application for treating androgenetic alopecia in men.
32 citations
,
January 2007 in “Biological & Pharmaceutical Bulletin” This study found that combining minoxidil and retinol additively promoted hair growth in vitro, enhancing Erk- and Akt-dependent pathways and preventing apoptosis in dermal papilla cells and keratinocytes.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” This study found that the retinoid all-trans retinoic acid induced a catagen-like stage in human scalp hair follicles, suggesting upregulation of TGF-beta2 as a contributing mechanism.
179 citations
,
March 2005 in “British Journal of Dermatology” This study found that 88% of women with female pattern hair loss who received oral antiandrogens saw no progression or improvement in their condition.
116 citations
,
September 2001 in “Journal of The American Academy of Dermatology” This study suggests that miniaturization in pattern hair loss may occur abruptly and can be reversed with treatment, as supported by histologic evidence in finasteride-responsive patients.
581 citations
,
October 1998 in “Journal of The American Academy of Dermatology” In male pattern hair loss, this study found that finasteride 1 mg daily significantly slowed hair loss and increased hair growth over two years compared to placebo.
222 citations
,
October 1993 in “Journal of The American Academy of Dermatology” This study found that androgenetic alopecia causes significant psychological distress, particularly in women, who exhibit a more negative body image and less adaptive functioning compared to controls.
30 citations
,
April 1990 in “Clinical Pharmacology & Therapeutics” This study found that coadministering minoxidil with tretinoin cream increased minoxidil absorption nearly threefold in healthy males, attributed to increased stratum corneum permeability.
19 citations
,
October 1988 in “Clinics in dermatology” This article discusses potential roles for retinoids in hair regrowth and proposes future studies, reporting no new experimental results.
73 citations
,
October 1986 in “Journal of the American Academy of Dermatology” This study found that a combination of topical tretinoin and 0.5% minoxidil resulted in terminal hair regrowth in 66% of subjects with androgenetic alopecia over one year.