Monoi Lip Butter Monoi oil is a luxury oil that comes from Ancient Polynesian beauty rituals where the oil is extracted from Tahitian gardenia petals and has an exotic and rich hydrating feel. This luxury lip butter is a solid form lip oil that will melt into your lips leaving them plump, conditioned, and oh so soft! All of our lip butters and solid lip oils contain an active ingredient that has been clinically proven to increase the appearance of lip volume and hydration when applied three times daily for 28 days.