Does anybody know if this removes the stain on darker Crocs from suntan lotion/spray? We have a couple navy or black pairs within our family that I'd kind of just packed away because of this reason. The first pair I didn't realize what had happened to it, just that it had white smears all over it that even though I scrubbed them with various things never came off. Saw it happen recently with my son's black pair when I was spraying him with the suntan lotion - again I can't remove it. Do you think washing them in the soap & bleach would help or make it worse? Has anybody else had trouble with suntan lotion?