Nourish your lips with the Zelens Lip Treatment Oil. Formulated with a blend of six plant oils and multi-tasking active ingredients, the lip oil works to replenish moisture to promote soft, supple lips.The serum-strength formula is enriched with argan oil to help plump lips with moisturise, while shiso leaf extract offers antioxidant protection. It helps to reduce the look of lines and texture for fuller, plumper-looking lips.