SPF Scout · Ingredient

Peg-40 Monostearate

CAS 9004-99-3

What this ingredient generally does

Nothing recorded here yet

No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.

Published formulations that list this ingredient

These are the formulations currently published in the SPF Scout catalog whose stored ingredient declaration includes this ingredient. It is not a list of every product on the market, and the order carries no meaning.

No published formulation in the SPF Scout catalog currently lists this ingredient. The catalog is small — only reviewed records are published.

Checking this against your own list

You can select this ingredient in the SPF Scout app as one to flag. The app compares your selections against a product's stored declaration on your device; your list never reaches this website.

This comparison does not predict whether your skin will react.

Where this information comes from

Ingredient names, CAS numbers and recorded functions come from SPF Scout’s curated ingredient dictionary, grounded in CosIng, the European Commission’s Cosmetic Ingredient Database. Content © European Union, reused with acknowledgement.

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