Provide your skin with a powerful dose of nutrient-rich moisture, with Zelens Melatonin B12 Advanced Repair Serum. The advanced formula is suspended in a hydrating base of phospholipids, phytosterols and biomimetic vegetal-derived compounds. It also harnesses Melatonin, an antioxidant-rich modulator of our skins circadian rhythm to help support renewal. n A synthetic form of vitamin B12 enhances melatonin activity while restorative actives help minimise the appearance of skin ageing, fatigue and stress. The hydrating serum helps to soften the look of fine lines and wrinkles for a smooth, youthfully radiant complexion. n Suitable for all skin types. Dermatologist-tested.