4 citations
,
September 1999 in “Journal of Clinical Forensic Medicine” Caffeine in hair might help identify people, but it's not always reliable.
182 citations
,
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.
153 citations
,
October 2012 in “Skin Pharmacology and Physiology” Caffeine in cosmetics may reduce cellulite, protect skin, and stimulate hair growth, but more research is needed on its use and effects.
33 citations
,
September 2006 in “International Journal of Cosmetic Science” Caffeine improves male skin's barrier function.
May 2025 in “International Journal of Innovative Technologies in Social Science” Caffeine causes sleep problems in many medical students.
January 2025 in “Molecules” Caffeine may help with hair loss, but more research is needed to confirm its effectiveness.
March 2007 in “International Society of Hair Restoration Surgery” Caffeine may help hair grow and manage hair loss.
60 citations
,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
8 citations
,
June 2022 in “Cosmetics” Coffee berry extract may help slow skin aging and prevent hair loss.
1 citations
,
July 2023 in “Cosmetics” The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.
September 2023 in “Journal of The American Academy of Dermatology” Caffeine may help hair grow better.
11 citations
,
July 2012 in “International Journal of Trichology” Caffeine may help hair growth in hereditary hair loss.
Cocor Bebek leaf extract may promote hair growth better than minoxidil at high concentrations.
Caffeine can potentially treat common hair loss by counteracting hair follicle shrinkage caused by hormones.
93 citations
,
January 2007 in “Skin Pharmacology and Physiology” Caffeine in shampoo quickly enters the body through hair follicles.
35 citations
,
January 2018 in “Skin pharmacology and physiology” Nanoemulsion creams with certain enhancers can greatly increase caffeine delivery through skin.
Arabica coffee pulp extract may help prevent hair loss and promote hair growth.
January 2024 in “Indonesian Journal of Pharmaceutical Education” The Caffein Herbasome® cream is stable and suitable for skin use.
July 2022 in “International Journal of Applied Pharmaceutics” The optimized caffeine formula improved hair growth and penetrated all skin layers.
October 2025 in “Journal of Drugs in Dermatology” Topical caffeine can help with hair growth and reduce hair loss safely.
94 citations
,
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.
October 2025 in “Records of Natural Products” Kaempferol promotes hair growth and could be a natural treatment for hair loss.
8 citations
,
January 2020 in “Skin Pharmacology and Physiology” Caffeine improves hair growth, thickness, and reduces shedding.
1 citations
,
August 2020 in “British Journal of Dermatology” Caffeine may protect hair follicles from stress-related hair loss.
January 2021 in “AIP conference proceedings” A hair serum made from coffee by-products can promote hair growth and is safe, but needs less stickiness.
April 2018 in “Journal of Investigative Dermatology” Kaempferol helps skin stem cells grow and may improve skin thickness due to its 3-OH group.
4 citations
,
February 2022 in “Journal of Pharmaceutical and Biomedical Analysis” The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.
55 citations
,
March 2005 in “Neuropharmacology” A neurosteroid can reduce caffeine-induced anxiety in rats.
5 citations
,
January 2020 in “Journal of Dermatology and Dermatologic Surgery” Caffeine may benefit skin and hair health but more research is needed to confirm its effectiveness in dermatology.
August 2024 in “Bioimpacts” Kopexil is an effective and safe hair growth treatment.