82 citations
,
May 2009 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.
60 citations
,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
46 citations
,
January 2008 in “Journal of cosmetic dermatology” Caffeine and siloxanetriol alginate caffeine in emulsion form can reduce fatty cell size and number, potentially treating cellulite effectively.
35 citations
,
January 2018 in “Skin pharmacology and physiology” Nanoemulsion creams with certain enhancers can greatly increase caffeine delivery through skin.
35 citations
,
June 2017 in “Pharmaceutical research” Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.
35 citations
,
February 2002 in “Journal of Radiological Protection” Caffeine reduces radiation skin damage but doesn't affect tumor treatment.
33 citations
,
September 2006 in “International Journal of Cosmetic Science” Caffeine improves male skin's barrier function.
32 citations
,
December 2017 in “Journal of Drug Delivery Science and Technology” Minoxidil and caffeine in transfersomes improve hair growth treatment.
31 citations
,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
26 citations
,
December 2009 in “Laser Physics” Caffeine from shampoo penetrates hair follicles quickly and stays for at least 24 hours.
24 citations
,
February 2007 in “Laser Physics Letters” Caffeine shampoo penetrates hair follicles deeply and stays for up to 48 hours.
21 citations
,
January 2017 in “Skin Pharmacology and Physiology” Caffeine-based liquid 0.2% is as effective as minoxidil 5% for treating male hair loss.
17 citations
,
October 2015 in “The Journal of Physiology” Combining progesterone with caffeine worsens breathing issues in newborns.
15 citations
,
October 2020 in “European journal of pharmaceutics and biopharmaceutics” Caffeine penetrates skin quickly through open hair follicles, but less through closed ones, with levels becoming equal after 22 hours.
12 citations
,
April 2020 in “British Journal of Dermatology” Caffeine may help reduce stress-induced hair loss.
11 citations
,
July 2012 in “International Journal of Trichology” Caffeine may help hair growth in hereditary hair loss.
10 citations
,
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.
7 citations
,
October 2024 in “AAPS PharmSciTech” CA-SLN-Ngel significantly reduces cellulite more effectively than regular caffeine gel.
7 citations
,
January 2020 in “Skin Pharmacology and Physiology” Standard nail varnish effectively prevents follicular penetration of certain substances.
7 citations
,
July 2018 in “International Journal of Applied Pharmaceutics” Chitosan nanoparticles are promising for sustained caffeine delivery through the skin.
4 citations
,
September 1999 in “Journal of Clinical Forensic Medicine” Caffeine in hair might help identify people, but it's not always reliable.
2 citations
,
January 2022 in “Materials today: proceedings” Caffeine may be good for hair growth and skin care because it binds well with keratin.
1 citations
,
July 2023 in “Cosmetics” The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.
1 citations
,
August 2020 in “British Journal of Dermatology” Caffeine may protect hair follicles from stress-related hair loss.
1 citations
,
July 2017 in “Journal der Deutschen Dermatologischen Gesellschaft” Topical caffeine improves hair loss intensity, speed, and shedding, and works better with minoxidil/azelaic acid.
1 citations
,
February 2020 in “PubMed” The topical solution improved hair density and appearance in men with androgenetic alopecia.
January 2026 in “AAPS PharmSciTech” Liposomal formulations with caffeine and cafestol enhance skin penetration effectively.
January 2026 in “British Journal of Dermatology” Caffeine and DMG increase calcium influx in hair follicle cells without being toxic.
September 2025 in “Journal of Drug Delivery Science and Technology” Vitamin D3-coated nanoparticles effectively deliver caffeine for alopecia treatment with minimal side effects.
August 2025 in “Journal of Cosmetic Dermatology” The shampoo with DMG-Na and caffeine effectively reduces hair loss and improves hair density in men.