Drink plenty of water
Eat a balanced diet with fruits and vegetables
Reduce sugary foods and drinks
Limit alcohol intake
Avoid smoking
Practice good oral hygiene if you mean mouth pH
Use gentle, fragrance-free soaps for skin
Avoid douching or harsh feminine hygiene products
Wear breathable cotton underwear
Change out of sweaty clothes promptly
Manage stress
Get enough sleep
Take probiotics if appropriate
See a doctor if you have symptoms or ongoing concerns