SPF Scout · Ingredient
Sodium Metabisulfite
CAS 7681-57-4 / 7757-74-6
EU regulatory status
Restricted in cosmetic products in the EU
Annex III (substances subject to restrictions), entry 99 — EU Cosmetics Regulation (EC) No 1223/2009, as recorded in CosIng.
This status describes European Union cosmetics law — which substances may be used in cosmetic products sold there, and under what conditions. Regulations differ by region. It is not a statement about any specific product, and it does not predict whether your skin will react.
What this ingredient generally does
This works as an antioxidant, a preservative, and a reducing agent. In practice, it helps slow down spoilage and keeps the formula stable over time.
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.
Shiseido SHISEIDO BENEFIANCE NUTRIPERFECT DAY
U.S. formulation
Shiseido SHISEIDO BENEFIANCE WRINKLE SMOOTHING DAY
U.S. formulation
Shiseido SHISEIDO ESSENTIAL ENERGY HYDRATING DAY
U.S. formulation
Shiseido SHISEIDO FUTURE LX TOTAL RADIANCE FOUNDATION E
U.S. formulation
Shiseido SHISEIDO FUTURE LX UNIVERSAL DEFENSE S
U.S. formulation
Shiseido SHISEIDO FUTURE solution LX TOTAL PROTECTIVE S
U.S. formulation
Shiseido SHISEIDO FUTURE solution LX UNIVERSAL DEFENSE E
U.S. formulation
Shiseido SHISEIDO PERFECT REFINING FOUNDATION
U.S. formulation
Shiseido SHISEIDO REVITALESSENCE SKIN GLOW FOUNDATION
U.S. formulation
Shiseido SHISEIDO REVITALESSENCE SKIN GLOW PRIMER
U.S. formulation
Shiseido SHISEIDO ULTIMATE SUN PROTECTOR
U.S. formulation
Shiseido SHISEIDO ULTIMATE SUN PROTECTOR (Lotion)
U.S. formulation
Shiseido SHISEIDO ULTIMATE SUN PROTECTOR MINERAL
U.S. formulation
Shiseido SHISEIDO URBAN ENVIRONMENT FRESH-MOISTURE SUNSCREEN
U.S. formulation
Shiseido SHISEIDO URBAN ENVIRONMENT FRESH-MOISTURE SUNSCREEN SPF 42
SPF 42 as labeled · U.S. formulation
Shiseido SHISEIDO URBAN ENVIRONMENT MINERAL CLEAR SUNSCREEN
U.S. formulation
Shiseido SHISEIDO URBAN ENVIRONMENT oil-free MINERAL SUNSCREEN SPF 42
SPF 42 as labeled · U.S. formulation
Shiseido SHISEIDO URBAN ENVIRONMENT VITA-CLEAR SUNSCREEN
U.S. formulation
Shiseido SHISEIDO VITAL PERFECTION UPLIFTING AND FIRMING DAY
U.S. formulation
Shiseido SHISEIDO WASO COLOR-SMART DAY MOISTURIZER
U.S. formulation
Shiseido SHISEIDO WASO SHIKULIME COLOR CONTROL
U.S. formulation
Shiseido SHISEIDO WHITE LUCENT DAY
U.S. formulation
Shiseido SHISEIDO WHITE LUCENT ONMAKEUP SPOT CORRECTING SERUM
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.