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August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The new "differential stripping" method effectively measures how much substance gets into hair follicles.
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January 2020 in “Refubium (Universitätsbibliothek der Freien Universität Berlin)” Disrupting the skin barrier and using specific nanoparticles and solvents can improve drug delivery through the skin.
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September 2011 in “British Journal of Dermatology” The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
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June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
January 2010 in “Journal of Animal Science” Transcutaneous vaccination using nanoparticles can enhance immune responses and reduce basal cell carcinomas.