Glycerin
What It Is
Glycerin is a plant-derived polyol commonly used in cosmetic formulations.
Functional Role
It functions primarily as a humectant, attracting water to the skin’s outer layers.
Skin-Relevant Properties
Glycerin helps support hydration and contributes to a smoother, more supple-looking skin surface.
Interesting Fact
Glycerin is also naturally present in the skin as part of its moisture-regulating system.