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.
33 citations,
February 2009 in “European journal of pharmaceutics and biopharmaceutics” Pig ear skin is better than human skin for testing how well barrier creams block allergens from entering hair follicles.
19 citations,
December 2013 in “European journal of pharmaceutics and biopharmaceutics” Encapsulated Garcinia mangostana extract in cream penetrates skin better than other forms.
26 citations,
March 2014 in “International journal of pharmaceutics” Researchers created a skin treatment that could effectively deliver medication into hair follicles.
62 citations,
November 2016 in “Nanoscale” Medium to larger nanogels effectively deliver drugs through hair follicles when heated.