What it is
Bis-ethoxydiglycol Succinate is a diester formed from succinic acid and ethoxydiglycol. It functions as an emollient and conditioning agent that helps fluids spread evenly and leaves a smooth, light skin feel. In sunscreens it is often used to help dissolve or carry organic UV filters and to refine the overall texture of the product.
Safety & warnings
Used as a cosmetic emollient and solvent, it is generally well tolerated at typical formulation levels. It is not a known fragrance allergen.
Origin & sourcing
Synthetic, produced by esterification of succinic acid with ethoxydiglycol.
Questions everyone asks
What does this ingredient do in sunscreen?
It acts as an emollient and solvent that helps spread the product smoothly and can assist in carrying organic UV filters within the formula.
Is it natural or synthetic?
It is synthetic, made by combining succinic acid with ethoxydiglycol to form a diester.