KSL-W is a synthesized KSL(KKVVFKVKFK) analogue, was shown to display improved stability in simulated oral and gastric conditions with in vitro preserved antimicrobial activity. KSL-W had a selective effect on C. albicans growth, while exhibiting no toxic effect on epithelial cells.
Theberge, S., Semlali, A., Alamri, A. et al. C. albicansgrowth, transition, biofilm formation, and gene expression modulation by antimicrobial decapeptide KSL-W. BMC Microbiol 13, 246 (2013).