A potent 20% PHA/AHA night serum that smooths skin texture, improves elasticity and targets the look of dark spots, pores, fine lines and wrinkles..Vegan and cruelty-free Free of parabens.10% AHAs and 10% PHAs exfoliate and help smooth skin texture Aloe Juice, Nordic Birch Sap, and Cotton Water help nourish and support..Licorice Extract helps reduce the look of dark spots.1 oz.If you're new to acids, phase this serum into your routine slowly..Begin using once a week and work your way up to using 2-3 times a week. Once your skin adjusts, use nightly..If you're an acid pro, start off using this serum 2-3 times a week. Then, work your way up to using nightly.