Nanoparticles with caffeine can be used for slow, continuous hair growth stimulation.
61 citations
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May 2014 in “International journal of pharmaceutics” Nanocrystals improve skin penetration and stability of caffeine, suggesting a new method for delivering similar substances through the skin.
May 2026 in “Jurnal Riset Kefarmasian Indonesia” Robusta coffee beans have high caffeine content, useful for products like hair growth stimulants.
33 citations
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September 2006 in “International Journal of Cosmetic Science” Caffeine improves male skin's barrier function.
21 citations
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January 2017 in “Skin Pharmacology and Physiology” Caffeine-based liquid 0.2% is as effective as minoxidil 5% for treating male hair loss.
24 citations
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February 2007 in “Laser Physics Letters” Caffeine shampoo penetrates hair follicles deeply and stays for up to 48 hours.
October 2025 in “Journal of Drugs in Dermatology” Topical caffeine can help with hair growth and reduce hair loss safely.
4 citations
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September 1999 in “Journal of Clinical Forensic Medicine” Caffeine in hair might help identify people, but it's not always reliable.
August 2019 in “Journal of the American Academy of Dermatology” Ginseng and Albizia extracts help prevent hair thinning with age.
The optimal concentration for caffeine release in gel form is 0.2% caffeine and 2.3% chitosan.
26 citations
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December 2009 in “Laser Physics” Caffeine from shampoo penetrates hair follicles quickly and stays for at least 24 hours.
1 citations
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July 2023 in “Cosmetics” The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.
2 citations
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January 2022 in “Materials today: proceedings” Caffeine may be good for hair growth and skin care because it binds well with keratin.
182 citations
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December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
December 2024 in “PubMed”
May 2026 in “International Journal of Drug Delivery Technology” Adrenaline infiltration improves hair transplant efficiency and safety.
10 citations
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July 2021 in “European journal of pharmaceutics and biopharmaceutics” Nanoparticles sized between 470 and 750 nm are best for delivering substances like caffeine into hair follicles for absorption.
September 2023 in “Journal of The American Academy of Dermatology” Caffeine may help hair grow better.
21 citations
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September 1966 in “Toxicology and Applied Pharmacology” Caffeine becomes more toxic in rats when food intake is reduced by over 50%.
November 2023 in “Hair transplant forum international” Caffeine can stimulate hair growth, but the best dose and frequency for hair loss treatment are still unknown.
2 citations
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January 2014 Improved methods create smaller, more effective gelatin nanoparticles for skin delivery, and new caffeine nanocrystals enhance absorption and effectiveness.
October 2024 in “Journal of the Endocrine Society” A single steroid injection can cause serious side effects like Cushing Syndrome.
Caffeine in cosmetics has antioxidant effects, protects against UV, reduces cellulite, and stimulates hair growth.
Dexmedetomidine-loaded microneedles effectively reduce pain without sedation.
94 citations
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May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
January 2026 in “British Journal of Dermatology” Caffeine and DMG increase calcium influx in hair follicle cells without being toxic.
November 2013 in “Journal of Mazandaran University of Medical Sciences” Minoxidil with caffeine works better for hair loss than minoxidil alone.
January 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Argan oil-based nano carriers could potentially deliver caffeine to hair follicles to treat hair loss.
November 2024 in “International Journal of Molecular Sciences” Nanoparticles may improve caffeine delivery for hair growth, offering a potential alternative to minoxidil for hair loss treatment.
60 citations
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May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.