Phytic Acid is a naturally sourced acid found in many plant sources, including corn, wheat, rice, soybean, sesame, and oat. Biosil PA is a water clear 50% active solution sourced from a GMO-free corn. With exfoliating efficacy comparable to Glycolic Acid and the ability to inhibit melanin synthesis comparable to Ascorbyl Glucoside, Biosil PA is undoubtedly a mild multi-benefit ingredient for many personal care applications.