Naturium Multi-Peptide Advanced Serum is designed to improve the look of fine lines and wrinkles. Formulated with an advanced multi-peptide blend, including encapsulated copper peptides and Argireline® Amplified peptide, this serum helps to improve texture and support a more youthful-looking complexion. Encapsulated ferulic acid and collagen work together to firm skin's appearance. For optimal results, apply an even layer onto face, neck, and chest. Follow with moisturizer.