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.
114 citations
,
January 2007 in “International Journal of Dermatology” Caffeine can stimulate hair growth and counteract testosterone's suppressive effects on hair follicles.
93 citations
,
January 2007 in “Skin Pharmacology and Physiology” Caffeine in shampoo quickly enters the body through hair follicles.
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
,
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.
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
,
September 1966 in “Toxicology and Applied Pharmacology” Caffeine becomes more toxic in rats when food intake is reduced by over 50%.
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.
15 citations
,
June 1996 in “Journal of Pharmacy and Pharmacology” Caffeine levels in hair and blood can indicate liver health.
12 citations
,
April 2020 in “British Journal of Dermatology” Caffeine may help reduce stress-induced hair loss.
12 citations
,
December 2023 in “Journal of Applied Pharmaceutical Sciences and Research” Caffeine boosts alertness, helps breathing, acts as a diuretic, and may aid cancer treatment.
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.
8 citations
,
April 2020 in “European Journal of Nutrition” Newborns' hair shows how much caffeine their mothers drank during pregnancy.
7 citations
,
January 2020 in “Skin Pharmacology and Physiology” Standard nail varnish effectively prevents follicular penetration of certain substances.
5 citations
,
November 2021 in “Frontiers in Cell and Developmental Biology” Caffeine can damage hearing cells and affect hearing recovery after ear trauma.
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.
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.
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.