This serum, formulated with a high concentration of lactic acid, achieves smooth skin. It became a hot topic as a "peel-at-home" treatment. - Brand: The Ordinary - Product Name: Lactic Acid 10% + HA - Volume: 30ml - Features: Exfoliation with high concentration of lactic acid The contents are new and unused, but were taken out of the box for photography. Thank you for looking.