When shopping for toothpaste, you probably pay attention to its flavor, whitening claims, or cavity-fighting ingredients. But have you ever considered its pH level? This measurement tells you how acidic or alkaline a substance is, and it can play an interesting role in your oral health.

The pH of your toothpaste may influence how effectively it protects your enamel, particularly when it comes to preventing mineral loss and supporting remineralization. Here’s what you should know before choosing your next tube.