Beta-Sitosterol
A fatty acid-type ingredient derived from plants. Beta-sitosterol occurs naturally in many fruits, vegetables, nuts, and seeds. It is similar to cholesterol, which occurs naturally in skin. Applied to skin, it is considered a good moisturizing and skin-soothing ingredient.
Phytosterols
Also known as plant sterols, have nourishing properties for the skin due to their unique structural and chemical properties. These properties can benefit skin health, hydration, and appearance. Phytosterols uphold the skin's natural protective layer. They strengthen the stratum corneum, the skin's outermost layer, and improve its ability to retain moisture