Rakan Matsui et al.
Drug development and industrial pharmacy, 31(8), 729-738 (2005-10-14)
In vitro permeation of lidocaine (lidocaine base, LID) through excised rat skin was investigated using several LID-suspended oily formulations. The first skin permeation of LID from an LID-suspended oily solution such as liquid paraffin (LP), isopropyl myristate (IPM), polyoxyethylene (2)