A next-generation overnight serum, Allies of Skin’s Mandelic Pigmentation Corrector Night Serum is supercharged with a blend of mandelic, lactic and salicylic acid – alongside brighteners, antioxidants and peptides – that each work to fight a host of skin woes, from stubborn pigmentation to persistent breakouts. It multitasks as you sleep, replenishing and renewing the skin for a fresh morning glow.