Glycerin, also known as glycerol, is a natural ingredient commonly used in skincare products. Glycerin offers hydration and moisture retention, strengthens the skin's barrier function, soothes and calms the skin, provides anti-aging effects, suits all skin types, enhances ingredient delivery, and ensures formulation compatibility and safety. These benefits make glycerin a valuable ingredient in skincare products, contributing to healthy, nourished, and radiant skin.