INGREDIENT GLOSSARY • Solvent

Propanediol

AT A GLANCE

Propanediol

A corn-derived solvent and humectant.

Type of Ingredient

Solvent

Why we use it

Propanediol is similar to propylene glycol, and they serve similar functions: they help dissolve certain ingredients in a formula, and they’re great for drawing moisture to the skin. Stratia uses propanediol in Night Shift to help ensure the encapsulated retinol is evenly dissolved and dispersed throughout the formula.

What it’s in

Night Shift

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Night Shift

age-defying retinol night cream