17 citations
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February 2018 in “Journal of Cosmetic and Laser Therapy” In this study, researchers administered eight sessions of intradermal injections containing growth factors into the scalp of 1000 patients, reporting a significant reduction in hair fall in 83% of participants and increased total hair count and shaft diameter, with promising tolerance and safety.
11 citations
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November 2023 in “Skin Research and Technology” A 2 mm needle is effective and precise for skin injections.
7 citations
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December 2020 in “Dermatologic Therapy” In this study, intradermal injections of 0.5% minoxidil significantly improved hair growth and volume in women with female androgenetic alopecia compared to a placebo, with a good safety profile reported.
3 citations
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April 2002 in “Animal Science” This study found that intradermal spermidine injections stimulated cell proliferation and increased fibre length growth rate in wool follicles of Merino lambs, without significantly affecting fibre diameter.
July 2026 in “Aesthetic Plastic Surgery” This pilot study found that intradermal 10% glucose combined with non-cross-linked hyaluronic acid improved hair density and diameter more than hyaluronic acid alone in adults with androgenetic alopecia, with no serious adverse events.
