69 citations
,
December 2015 in “Journal of Controlled Release” This study found that nanocapsules formulated as a dispersion and applied with massage may enhance follicular uptake of clobetasol propionate while minimizing its skin penetration, offering a potential improvement over conventional treatments for scalp diseases.
12 citations
,
March 2012 in “ATLA. Alternatives to laboratory animals” This study found that caffeine and flufenamic acid penetrated porcine skin more effectively through hair follicles, while the importance of the follicular pathway varied for other substances tested.
16 citations
,
March 2008 in “International journal of pharmaceutics” This study found that formulation factors like pH, viscosity, and chemical enhancers can significantly influence intrafollicular hydrocortisone permeation in vitro, with higher pH and enhancers reducing follicular contribution.
47 citations
,
September 1997 in “Journal of Pharmaceutical Sciences” This study found that cationic lipid-based formulations enhanced the delivery of large molecules into hair follicles in human scalp skin, with potential to reach pharmacologically active concentrations in the hair bulb.
34 citations
,
July 2010 in “Expert Opinion on Drug Delivery” This review highlights the need for methodologies to understand and quantify drug penetration into hair follicles as significant drug pathways, noting this area lacks comprehensive articles and reports no new results.