7 Best Peptide Serums 2026 for Plumper, Bouncier Skin

By Christa Joanna Lee, Madison San Miguel

Best Overall: Medik8 Liquid Peptides Advanced MP Face Serum Why it's worth it: While some peptide serums have a specialty, Medik8 Liquid Peptides Advanced MP Face Serum covers all of the bases. Best for Face and Neck: Allies of Skin Multi Peptides & GF Advanced Lifting Serum Why it's worth it: Allies of Skin’s Multi Peptides & GF Advanced Lifting Serum takes a high-tech approach to firming, especially in areas where sagging tends to show first: the face and neck. Best for Mature Skin: SkinMedica TNS Advanced+ Serum Why it's worth it: Ask any dermatologist about growth-factor skin care, and they'll likely bring up the repeat Best of Beauty-winning SkinMedica TNS Advanced+ Serum, the patented