SPF Scout · Ingredient
Thiotaurine
CAS 2937-54-4
What this ingredient generally does
Thiotaurine is an antioxidant. It helps keep the formula from going off as it's exposed to air over time.
Reviewed before publication. This note describes function in a formulation, and 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.
SHISEIDO SUN PROTECTION LIP TREATMENT
SPF 35 as labeled · U.S. formulation
SHISEIDO URBAN ENVIRONMENT · Ensulizole, Homosalate, Octisalate, Zinc Oxide
SPF 42 as labeled · U.S. formulation
SHISEIDO URBAN ENVIRONMENT (Lotion)
U.S. formulation
SHISEIDO URBAN ENVIRONMENT MINERAL CLEAR SUNSCREEN
SPF 50 as labeled · U.S. formulation
SHISEIDO URBAN ENVIRONMENT oil-free MINERAL SUNSCREEN SPF 42
SPF 42 as labeled · U.S. formulation
SHISEIDO URBAN ENVIRONMENT Oil-Free SUNSCREEN SPF 42
SPF 42 as labeled · U.S. formulation
SHISEIDO URBAN ENVIRONMENT TINTED UV PROTECTOR
U.S. formulation
SHISEIDO URBAN ENVIRONMENT UV PROTECTION
SPF 40 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.