All products
5

Ingredient · Emulsifier

Propylene Glycol

Mixed · 5/10, higher is cleaner

E-number E1520

How we reached this

Dual food + personal care use. FDA GRAS; EU restricts. Common in vape juices, cake mixes, lotions.

Sources · 1

Regulatory position

European Unionpermitted with use restrictions
United StatesGRAS

Also listed as

1,2-propanediolE1520

Products containing this · 1

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-23.