The gentle exfoliating facial Ultra Pure High-Potency Serum 9.8% Glycolic Acid is minimally formulated with only seven ingredients to visibly boost skin's glow and reduce the appearance of pores. Concentrated with 9.8% Glycolic Acid, the potent formula helps visibly refine skin's texture for a smooth, glowing appearance. Our gentle, exfoliating Glycolic Acid facial serum is formulated with seven ingredients and helps to visibly boost skin's glow and reduce the appearance of pores. Concentrated with 9.8% Glycolic Acid, our potent formula helps visibly refine skin's texture for a smooth, glowing appearance.