展开SkinCeuticals Metacell Renewal B3 is designed to target, repair and prevent the visible signs of photo-aging. A 5% concentration of niacinamide diminishes hyperpigmentation while peptides and glycerin firm skin and smooth expression lines and deep wrinkles. Amino acids enhance collagen production for skin that is radiant, renewed and revitalized. Key Ingredients: 5% Niacinamide (Vitamin B3): helps reduce the appearance of skin discoloration and strengthens skin’s moisture barrier 2.5% Firming Tri-Peptide Concentrate: a blend of powerful peptides helps reduce the look of fine lines, and improves the appearance of firmness 15% Pure Glycerin: this humectant has water-binding properties that deliver intense hydration without a heavy or tacky feel Key Benefits: Promotes skin renewal by increasing cell turnover Strengthens skin’s moisture barrier Reduces the appearance of discoloration and blotchiness Lightweight emulsion delivers intense hydration without a heavy or tacky feel Helps improve the appearance of skin’s firmness See before and after images above.