Stearic Acid in Sunscreen Cosmetics
1. An Overview of Stearic Acid: A Fundamental Cosmetic Raw Material Stearic acid is a saturated long-chain fatty acid, mainly extracted from natural fats and synthetic industrial raw materials, and is a widely used auxiliary ingredient in cosmetic formulations. It is not a direct UV-filtering active ingredient, but a multifunctional additive with stable chemical properties,…
