Laneige Lip Sleeping Mask Even though this is technically an overnight lip treatment, that doesn't mean you can't put it on during the day for lasting hydration. Enriched with vitamin C and antioxidants, the Laneige Lip Sleeping Mask ($22) locks in moisture and keeps lips from cracking. Image Source: sephora.com Laneige Lip Sleeping Mask $22 from sephora.com Buy Now