Sodium bicarbonate can raise surface stains however does not bleach tooth color; usage moderately
https://sergiojedw518.almoheet-travel.com/why-expert-whitening-is-safer-for-your-enamel-2
Sodium bicarbonate can lift surface stains however does not bleach tooth color; use sparingly, and pair with fluoride toothpaste to secure enamel and strengthen teeth.