I've also tried other soaps (ivory) and our «whites» were definitely gray. (askannamoseley.com)
It's not a life - changing formula, and I find that it doesn't wash off as well as other soaps. (ashleybrookenicholas.com)
I can't say that this will turn out the same using other soap bases, however, if you use an all natural soap base you're likely to get a hard bar of soap rather than a salt scrub as the chemical composition of the soap bases is so different. (soapdelinews.com)