SPF Scout · Ingredient
Sodium Polyacrylate Starch
What this ingredient generally does
A starch-based polymer that soaks up liquid, thickens the formula, and forms a thin film as it dries. It helps hold the mix together, keeps oil and water from separating, and adjusts how thick the product is.
Reviewed before publication. This note describes function in a formulation — nothing else.
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.
Olay OLAY Prime plus Protect Facial Sunscreen with Vitamin C SPF35 Matte Finish
SPF 35 as labeled · U.S. formulation
Olay Olay Regenerist Whip Lightweight Moisturizer with Sunscreen Broad Spectrum SPF 25
SPF 25 as labeled · U.S. formulation
Olay Olay Super Cream with Sunscreen Broad Spectrum SPF 30
SPF 30 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.