Summer Fridays | Lip Butter Balm - Vanilla | NIB This silky, 100% vegan lip mask hydrates and soothes dry lips in seconds. Butter up on the go for instant moisture and shine, or at bedtime for a nourishing overnight mask. HOW TO USE: Use when your lips need extra hydration throughout the day—or as an overnight lip mask. NEW IN BOX MSRP: $24.