November 2025 in “Journal of Family Medicine and Primary Care” This systematic review and meta-analysis found that low-dose minoxidil treatment effectively enhances facial hair development with relatively minimal side effects, which can be beneficial in primary care settings.
July 2025 in “Biomolecules” This systematic review found that topical adenosine may increase hair thickness and density while reducing hair loss, but the strength of evidence is low due to issues with trial design and sample size.
In this study, Biosea® Revive serum, containing biotinoyl tripeptide-1 and Phyllanthus emblica extract, was found to improve hair density and quality in a 90-day clinical trial without adverse effects, offering a potential natural solution for hair growth.
1 citations
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May 2025 in “Journal of the Indian Chemical Society” 
January 2025 in “International Journal of Trichology” This review highlighted the hype surrounding topical hair growth ingredients such as Redensyl, Procapil, and others, noting promising results but also emphasizing the limitations of existing studies, including small sample sizes and lack of standard therapy comparisons.
December 2024 in “Naunyn-Schmiedeberg s Archives of Pharmacology” 
May 2024 in “Journal of cosmetic dermatology” This study found that while caffeine and adenosine can inhibit hair loss and stimulate hair growth, more research is needed to fully understand the efficacy of shampoo formulations containing specific proportions of these compounds for hair loss treatment and prevention.
May 2024 in “Molecules/Molecules online/Molecules annual” This narrative review reports that well-selected plant extracts and their active compounds may improve hair health by promoting hair growth and preventing hair loss, potentially aiding in developing targeted therapies for alopecia.
October 2023 in “Journal of Cosmetic Dermatology” This study found that an octapeptide binding to Lgr5 can enhance the proliferation and differentiation of human primary hair cells by activating the Wnt/β-catenin signaling pathway, suggesting its potential as a treatment for hair loss in androgenetic alopecia.
1 citations
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July 2023 in “Archives of dermatological research” This study found that both 0.01% and 0.03% bimatoprost gel and 2% minoxidil gel significantly improved eyebrow density in individuals with hypotrichosis, with no significant difference between the treatments, although the highest bimatoprost concentration showed a more favorable response.
May 2023 in “Dermatology and therapy” This study aims to provide a practical guide for managing common causes of madarosis, highlighting the need to identify underlying causes to ensure effective treatment for eyelash and eyebrow loss.
September 2022 in “Frontiers in Bioengineering and Biotechnology” This study reports that taxifolin from enzymatic hydrolysis effectively regulates dermal papilla cell apoptosis and promotes hair growth by increasing IGF-1 and reducing TGF-β1, though it shows less inhibition of DHT compared to minoxidil.
March 2022 in “Molecules” This study found that adenosine promotes hair growth by stimulating the Wnt/β-catenin pathway in cultured human dermal papilla cells through activation of the adenosine receptor.
16 citations
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June 2021 in “Journal of Dermatological Treatment” This study reported that while topical minoxidil exhibits hair regrowth in androgenetic alopecia, oral minoxidil 5 mg/day was more effective than topical forms after six months, with low doses also potentially effective for women and other hair loss types.
13 citations
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May 2021 in “FASEB bioAdvances” This review discusses plant-based alternatives to retinoids for dermal antiaging and hair health, highlighting roles for cytokinins and phytoestrogens and reports no new results.
8 citations
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December 2020 in “Skin appendage disorders” This study observed eyebrow regrowth in 7 patients with frontal fibrosing alopecia treated with low-dose oral minoxidil, suggesting it may be a promising treatment option, especially in early disease stages.
59 citations
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July 2020 in “Journal of The American Academy of Dermatology” This study concluded that oral minoxidil is an effective and well-tolerated alternative to topical minoxidil for healthy patients struggling with application-related compliance issues.
June 2020 in “Acta medica Philippina” This research review suggests that topical adenosine could improve hair thickness and user satisfaction in adults with androgenetic alopecia, with minimal side effects reported, but concludes that further studies are necessary to confirm these findings.
4 citations
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January 2020 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” This study found that applying 2% Minoxidil lotion twice daily for four months improved hair diameter and density in individuals with eyebrow hypotrichosis, suggesting it is an effective and well-tolerated treatment; mild side effects like itching and burning were observed in 22.72% of participants.
32 citations
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January 2019 in “American Journal of Clinical Dermatology” This review discusses the use of topical minoxidil for various types of alopecia and reports mixed evidence on its efficacy, with stronger support noted for conditions like eyebrow hypotrichosis and chemotherapy-induced alopecia.
3 citations
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October 2018 in “Skin appendage disorders” In this study, Spectral DNC-N® significantly reduced hair shedding and increased hair mass and density in women with early female pattern hair loss, with effects evident after 3 months and sustained through 6 months.
27 citations
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July 2018 in “Journal of optometry” This review discusses the biology, pathophysiology, and management of eyelash anomalies, highlighting the need for more research into eyelash mechanisms and care, and reports no new clinical results.
5 citations
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January 2018 in “Italian journal of dermatology and venereology” This study discusses that while the precise mechanism of minoxidil is not fully understood, its efficacy in stimulating hair growth and treating androgenetic alopecia is well-supported, with evidence showing it increases hair count and hair follicle size in treated patients.
11 citations
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August 2017 in “Supportive care in cancer” This study highlights the significant impact of eyebrow and eyelash loss during chemotherapy on women's quality of life, noting both emotional and physical challenges.
178 citations
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April 2017 in “Journal of The American Academy of Dermatology” This systematic review and meta-analysis found that minoxidil, finasteride, and low-level laser light therapy significantly improve hair growth in men with androgenetic alopecia, while minoxidil is also effective for women, compared to placebo.
10 citations
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October 2015 in “Journal of Dermatology” This study found that adenosine significantly increased the proportion of thick hair in Caucasian men with androgenetic alopecia, with no reported adverse effects.
11 citations
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April 2015 in “International Journal of Cosmetic Science” This study found that topical adenosine significantly increased the ratio of thick hairs and contributed to global improvement in Japanese men with androgenetic alopecia compared to niacinamide, with no observed adverse events.
10 citations
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February 2015 in “Clinics in Dermatology” This article discusses various periocular conditions like madarosis, milphosis, trichomegaly, and dermatochalasis, and highlights their potential link to underlying local and systemic diseases, but reports no new clinical findings.
13 citations
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November 2013 in “The Journal of Dermatology” This study suggests that minoxidil 2% lotion is a safe and effective treatment for enhancing eyebrows, showing better results than placebo after 16 weeks.
17 citations
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May 2012 in “Journal of dermatology” This letter to the editor compares the efficacy and safety of bimatoprost 0.03% with minoxidil 3% for eyebrow enhancement but does not report any study results.
152 citations
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April 2012 in “Recent Patents on Inflammation & Allergy Drug Discovery” This review describes minoxidil's hair regrowth mechanism and discusses dermatological applications, but reports no new clinical results, emphasizing the need for regular use and addressing allergic reactions.
36 citations
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January 2012 in “International Journal of Trichology” This review discusses madarosis, its diverse causes, and suggests follicular unit transplantation as a useful treatment for scarring types, but reports no new clinical results.
39 citations
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July 2007 in “Archives of Pharmacal Research” A tripeptide-copper complex may help hair grow by increasing cell growth and decreasing cell death.
397 citations
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February 2004 in “British Journal of Dermatology” This article reviews the mechanisms by which minoxidil stimulates hair growth and reports no new clinical findings.
