SkinCeuticals' Metacell Renewal B3 is formulated with a powerful blend of corrective ingredients, this lightweight moisturiser corrects these signs of damage to reclarify the skin. The key ingredients include 5% Niacinamide, to help reduce the appearance of discolouration, 2.5% Tightening Tri-Peptide Concentrate, to improve the look of fine lines and support natural hydration, and 15% Pure Glycerin, to offer intense hydration without leaving a tacky feel.