But does it work?
What toothpaste actually does to your nails
To put it simply?
“Whitening toothpaste may help to whiten nails and eliminate surface stains,” says Garshick.

She says formulas with baking soda are particularly able to this.
“Baking soda has natural whitening properties,” she says.
But what if youactuallywant longer, stronger nails?

Your best bet is actually adjusting what you eat, not what you use topically.
Your nails benefit from nutrient-dense food high in antioxidants and vitamins like biotin and iron.
“Many vitamins and minerals are important for nail health.