Question: how to whiten your teeth without stripping enamel?
Answer: Practice oil pulling. Oil pulling is a traditional Indian folk remedy meant to improve oral hygiene and remove toxins from the body. ... 
Brush with baking soda. ... 
Use hydrogen peroxide. ... 
Eat fruits and vegetables. ... 
Prevent tooth stains before they happen. ... 
Don't underestimate the value of brushing and flossing.