Why Mouthwash Can’t Fix Garlic BreathThe odor isn't coming from where you think it is

From the show

Kitchen Wellness Secrets

Garlic breath persists because the smell is not actually located in your mouth. Digestion absorbs sulfur compounds into the bloodstream, which then circulate to the lungs to be exhaled. Since the odor is expelled from your respiratory system with every breath, surface-level solutions like mints or brushing can never truly solve the problem.