Ofra Cosmetics Peptide Silk-C Serum is next level, period. A unique formula based with synthetic silk peptides, this serum hydrates while correcting skin¿s dark spots. The serum features Kinetin, a plant hormone, which aids in the regeneration of skin cells. The result? Youthful skin that appears so bright sunglasses won¿t be enough. The Silk-C Serum is suitable for all skin types, and may be used day or night on its own or under moisturizer.