The research found that nanoparticles coated with chitosan improved the skin penetration of the drug finasteride.
Standardized PRP therapy can improve treatment for hair loss.
November 2025 in “Journal of Microbiology and Biotechnology” Pea sprout extract may help hair regrow by reducing stress and inflammation.
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March 2022 in “PubMed” Platelet-rich plasma can help treat scarring hair loss caused by Discoid Lupus Erythematosus.
May 2015 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society” 
April 2025 in “Biomacromolecules” Hyaluronic acid microneedles with herbal extracts may help regrow hair.
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January 2018 in “Biomolecules & therapeutics” Polyamidoamine dendrimers can change the strength and direction of electroosmotic flow through the skin, affecting drug delivery.
The combined treatment increased hair density in most patients with Androgenetic Alopecia.
January 2019 in “The Pharma Innovation Journal” The best mix for a hair loss treatment cream is 10% Sophora japonica tincture and 5% Serenoa repens extract.
August 2024 in “British Journal of Dermatology” Rezpegaldesleukin shows promise for treating severe alopecia areata.