Regular Paste Toothpaste

titanium dioxide

Whitening agent; EU-banned as food additive since 2022 (E171) over genotoxicity concerns; nanoparticle accumulation.

blue 1

May cause chromosomal damage; absorbed through skin.

sodium lauryl sulfate

Skin irritant; strips natural oils; may be contaminated with 1,4-dioxane.

flavour

Vague term masking hundreds of possible compounds; may include MSG, beaver anal gland secretions, and other sources.

cellulose gum

Synthetic emulsifier; animal studies link it to microbiome disruption and inflammation.