First Aid Beauty FAB Skin Lab Resurfacing Liquid 10% AHA This First Aid Beauty FAB Skin Lab Resurfacing Liquid 10% AHA ($55) has a stable form of vitamin C (magnesium ascorbyl phosphate) that works with AHAs and extracts from lemon peel and licorice root to bright dark spots and improve skin's overall look and texture. The lightweight serum has also earned an average 4.4-star rating from other Sephora shoppers. Image Source: sephora.com First Aid Beauty FAB Skin Lab Resurfacing Liquid 10% AHA $55 from sephora.com Buy Now