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Toothpaste Rankings
avoid

Carrageenan

Also known as: Irish moss extract, chondrus crispus extract (related marketing)

A seaweed-derived thickener that many label readers specifically exclude.

01. What it is

What it is

A polysaccharide gum used to thicken foods and some toothpastes.

02. Why it’s used

Why it’s used

Texture and stability.

03. The concern

The concern

Inflammation debates in food literature and a strong cultural avoid among natural consumers. Toothpaste exposure differs from food, but shoppers still screen for it.

04. Our take

Our take

We treat it as avoid for this audience. Plenty of pastes thicken with xanthan or cellulose gum instead.

05. Found in

Brands we reviewed

These ranked pastes list or rely on this ingredient in the formula we evaluated.

06. Sources

Further reading

Third-party citations, not studies we ran.