In addition to the surfactant and skin protectant, the most complex formulas may contain acids (acetic acid, ascorbic acid, lactic acid) used to regulate the pH, benzoic acid, which has an antimicrobial function, and other protective agents (aloe vera, vitamins, menthol, herbal extracts). Rigorous analysis by the University of Oregon School of Public Health indicated that regular soaps were as effective as antibacterial soaps intended for and containing triclosan, to prevent diseases and eliminate bacteria from the hands.
Utafiti huu ulitumia mbinu tofauti za ukusanyaji na urekebishaji ili kuzalisha msururu nusu wa jinomu ulio na 86.3% ya urefu kamili wa jinomu ya virusi.