O Cosmedics top-selling serum! Powered by award-winning actives and high levels of Vitamin B3 (Niacinamide) to support the skin’s immune system, maintain fatty acid levels and reduce water loss. Effective on problematic skins, uneven skin tone and skins concerned with aging to encourage youthful, radiant skin. Skin saviour! For all skins concerned with aging. Use morning and/or evening. If skin flushes or tingles use every 2-3 days to begin with. For best results apply half a pump to clean, dry skin. Can be used on neck, décolletage and back. Massage until fully absorbed.