Firming AHA SerumA fast acting AHA serum that instantly lifts sagging skin, refines pores, and delivers a smoother, more youthful appearance. pH 4. 12. U. S. Patent No. 6,426,081 B1 (Date of Patent: July 30, 2002) BENEFITS Instantly creates firmer, smoother skin Reduces the appearance of pores Visibly tightens loose, sagging, and wrinkled skin Delivers high concentrations of vitamins A, C, and E Safe for sensitive skin DIRECTIONS Pour 4 to 6 drops onto palms and apply