“The permeation of the enantiomers of amlodipine from RS-amlodipine reservoir showed no significant differences in the presence and absence of enhancers, but …-amlodipine from RS-amlodipine reservoir 30% ethanol, 50% ethanol, and terpene enhancers could not influence the difference in permeation between S-amlodipine and RS-amlodipine, …% ethanol ….”