This night serum contains 10% lactic acid to deeply moisturize and smooth the skin. Christina Line Repair Hydra Lactic Night Repair 60ml I purchased this here, but it didn't agree with my skin. Would anyone like to try it? It seems about half the product remains. - Brand: CHRISTINA - Product Name: Lactic Night Repair - Line Name: Line Repair - Features: Contains 10% lactic acid - Volume: 60ml - How to Use: Night serum - Animal Testing: Not tested on animals - SLS: Free - Parabens: Free Thank you for looking.