About 85% of persistent bad breath starts in the mouth — specifically from sulfur compounds produced by bacteria on the back of the tongue and between teeth. Mints cover it for 20 minutes; removing the bacterial load fixes it.
This removes more odor-causing bacteria than brushing your teeth does. Ten seconds, back to front.
Trapped debris ferments. Floss is the single biggest breath upgrade for most people.
Alcohol-based mouthwash dries the mouth and worsens the problem within a few hours.

Fluoride-free hydroxyapatite paste for daily remineralization.

Ayurvedic-inspired oil pulling for whiter teeth and fresh breath.

Dual-chamber rinse for 24-hour fresh breath.
You acclimate to your own scent. Scrape the back of your tongue with a clean spoon and smell it — that's the honest test.
Sinus infections, reflux, and uncontrolled diabetes can all cause odor. If oral hygiene doesn't fix it, see a physician.