Essential Vitamin C Serum with Peptides Step 1 30 mlOur Essential Vitamin C Serum with Peptides Step 1 combines the powerful ingredients of Vitamin C, peptides, and amino acids to create an effective serum that can improve your skin's elasticity, texture, and brightness. By pairing Vitamin C with peptides, the collagen producing effects are strengthened, resulting in visible improvement. For optimal results, apply the serum at night or if using during the day, pair with a 50 SPF. Our formulations are