December 2023 in “International Journal of Biological Macromolecules” Chitosan nanoparticles loaded with Minoxidil were effective for hair growth but released the drug more slowly than the amphiphilic derivative.
January 2018 in “Clinical dermatology open access journal” Chitosan is useful in skin treatments because it helps with wound healing and cell growth.
1 citations
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January 2024 in “Journal of molecular structure” The new finasteride delivery system using chitosan-based nanoniosomes shows promise for prostate cancer prevention.
27 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Chitosan shows promise for skin and scalp treatments but needs more research.
32 citations
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June 2017 in “Journal of Pharmaceutical Sciences” Chitosan-coated nanoparticles improve skin delivery of hair loss treatments with fewer side effects.
16 citations
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June 1992 in “Journal of Investigative Dermatology” January 2026 in “Journal of Nanomaterials” 
162 citations
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July 2011 in “Biomacromolecules” Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.
17 citations
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November 2024 in “Talanta” A new method was developed to detect pesticide residues on apples without damage.
August 2024 in “Archives of Dermatological Research” CHI3L1 and CXCL5 proteins help promote hair growth.
7 citations
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December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 25 citations
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April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels show past nutritional status, not environmental exposure.
April 2011 in “HAL (Le Centre pour la Communication Scientifique Directe)” Chitosan-decorated nanoparticles improve skin delivery of finasteride, with PS404-b-PAA63 being most effective.
July 2025 in “Pharmaceuticals” Phenobarbital-loaded chitosan nanoparticles are promising for preventing hair loss from chemotherapy.
70 citations
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May 2019 in “Preprints.org” Chitin and chitosans from seafood waste are eco-friendly and useful in cosmetics for skin, hair, nail, and oral care.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
April 2023 in “Advances in Natural Sciences: Nanoscience and Nanotechnology” The new formulation with minoxidil, chitosan, and Aloe vera improves hair growth and reduces side effects.
298 citations
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June 2019 in “Marine Drugs” Chitosan is a sustainable, versatile ingredient in cosmetics, enhancing skin hydration and anti-aging while promoting eco-friendly practices.
3 citations
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January 2025 in “International Journal of Biological Macromolecules” A new microneedle patch effectively promotes hair regrowth with less frequent dosing.
40 citations
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January 2022 in “Frontiers in Chemistry” The patch speeds up deep wound healing.
February 2026 in “International Journal of Pharmaceutics” 
June 2023 in “Sains Malaysiana” Cinchonine Nanostructured Lipid Carriers serum safely and effectively stimulates hair growth and increases the number and size of hair follicles.
The research found that nanoparticles coated with chitosan improved the skin penetration of the drug finasteride.
Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
4 citations
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January 1992 in “The Tohoku Journal of Experimental Medicine” Zinc made mice's coarse hair turn into fine hair without affecting skin structure.
2 citations
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November 2019 in “Journal of Medicinal Food” 
March 2025 in “BioNanoScience” The new minoxidil hydrogel improves delivery and is safe for treating hair loss.
95 citations
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January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Plant-based nanovesicles effectively deliver finasteride for hair regrowth in androgenetic alopecia.