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Glycerin in Toothpaste: Oral Care 101

Today, we’re talking about a common ingredient found in toothpaste, including Happy Tooth toothpaste, and that’s glycerin. There are a lot of misconceptions about the function and properties of glycerin, so let’s dive in and take a closer look. 

What is Glycerin? Where does it come from? 

Glycerin is most commonly derived from plants like corn, coconut, and soy. It has a syrupy consistency, making it a really popular ingredient in food, cosmetics, and oral care.

Glycerin is a humectant, which means it can retain moisture and keep things hydrated.

Why is glycerin in my toothpaste?

Glycerin has been used in toothpaste for decades. Here's why:

  • Its humectant properties gives toothpaste a smooth, consistent texture so the toothpaste is easy to squeeze and spread across the teeth.
  • It helps prevent toothpaste from drying out, preserving its freshness and preventing clumping.

Does glycerin make hydroxyapatite or other minerals less effective?

Recently across the internet, concerns have been raised regarding glycerin's potential to create a barrier on the tooth's surface, inhibiting remineralization. As with everything we do at Happy Tooth, we’re following the science.

Studies show that the concentration of glycerin in toothpaste is not sufficient to impede the effectiveness of hydroxyapatite or other minerals.

Most notably, glycerin is water soluble, meaning it is rinsed away by water, removing any glycerin residue on your teeth (source).

Rest assured, your toothpaste's glycerin content will not compromise its ability to support tooth enamel health. If you want to diver deeper, we recommend this podcast. 

Glycerin in Toothpaste: What You Need to Know

In short, glycerin is non-toxic, safe to eat, and naturally derived, making it a perfect ingredient for Happy Tooth toothpaste.

Know that your Happy Tooth toothpaste is working to protect, strengthen and whiten your teeth. And at Happy Tooth, we’ll always follow the science - you can count on that.

Have a happy day!
Dr. Tyler Hanks, DMD, MPH
Happy Tooth Founder