Baking soda can lift surface stains however does not bleach tooth color; usage sparingly

https://sergiojedw518.almoheet-travel.com/do-whitening-strips-really-work-a-dental-practitioner-s-perspective

Sodium bicarbonate can raise surface discolorations however does not bleach tooth color; usage moderately, and pair with fluoride tooth paste to safeguard enamel and strengthen teeth.