For those who work in, hospitals, dirty environments, workout and athletic clothing as well as undergarments and everyday street clothes GS5 is an amazing antimicrobial agent that inhibits the growth of bacteria that cause odor, staining and discoloration and creates a 90-day "invisible" barrier that prevents the regrowth of these microbes. Doesn't just mask the odor, let your nose be the judge.
GS5 is EPA registered and contains no harsh chemicals that deteriorate fabric over time. Only 4 oz. per wash.