You probably recognize vitamin C as a familiar skincare ingredient, but not every form of vitamin C has the same job.
Ascorbyl palmitate is valued here primarily for its antioxidant properties and compatibility with oils. Antioxidants help protect lipid-based ingredients from oxidation-the chemical process that can occur when oils are exposed to factors such as oxygen over time.
Its oil-soluble structure means it can live within the oil-rich portion of a formulation, alongside ingredients such as plant oils and waxes.