SPF Scout · Ingredient
Trehalose
What this ingredient generally does
Trehalose is a sugar used as a humectant, meaning it draws in and holds moisture. That keeps skin and the formula from drying out.
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.
Mitchell Cosmetics, Inc OMIC MINERAL SUNSCREEN
U.S. formulation
Shiseido SHISEIDO FUTURE Solution LX INFINITE TREATMENT PRIMER
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 WASO COLOR-SMART DAY MOISTURIZER
U.S. formulation
Shiseido shiseido waso color-smart day moisturizer oil-free
U.S. formulation
Shiseido SHISEIDO WASO SHIKULIME COLOR CONTROL
U.S. formulation
Supergoop! Super Power Sunscreen Mousse SPF 50
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.