If you've ever looked closely at the ingredient list of a high-quality vitamin C serum, chances are you've spotted ferulic acid. While it may not enjoy the same spotlight as vitamin C or retinol, ferulic acid is one of the most effective antioxidant ingredients in modern skincare. Naturally found in the cell walls of plants such as rice, oats, oranges, and apples, ferulic acid helps protect plants from environmental stress. When used in skincare, it provides similar protectiv