SPF Scout · Ingredient
Polyquaternium-37
CAS 26161-33-1
What this ingredient generally does
This is a film former that leaves a thin, even coating as the product dries. It also acts as an antistatic, reducing static cling.
Reviewed before publication. This note describes function in a formulation, and nothing else.
Published U.S. formulations that list this ingredient
These are the U.S. 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.
American Crew All In One Face Balm Broad Spectrum SPF 15
Labeler: Revlon Consumer Products · SPF 15 as labeled · U.S. formulation
Eve Lom Daily Protection Broad Spectrum SPF 50 Sunscreen
Labeler: Space Brands · SPF 50 as labeled · U.S. formulation
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.