Chlorhexidine mouth rinse for the effective and proven way to fight bacteria in the mouth160 curasept is clinically proven not to stain teeth like conventional chlorhexidine mouth rinses and will not alter your taste perception160 ads220 contains 02 chlorhexidine which is appropriate for daily use for a period of upto 2 weeks160 then take a week off and if necessary you can always resume use for another 2 week period etc160 the rinse is alcohol free so there is no need