TNS Essential Serum combines the benefits of 2 formulas - TNS Recovery Complex in one chamber and APS Corrective Complex - a serum in the other chamber. Used together, the two complexes reduce the appearance of fine lines, wrinkles and age spots while improving skin tone, texture and elasticity. Contains TNSï¿ ½ - Tissue Nutrition Solution - A unique, balanced blend of over 380 cytokines and growth factors as well as antioxidants, peptides and proteins to help rejuvenate skin. Visible results: Improves fine lines and wrinkles. Helps smooth and brighten skin. Enhance skin texture, tone and elasticity SkinMedica TNS Serum is a rejuvenating treatment that hydrates and firms, improving the appearance of fine lines, wrinkles, uneven skin tone, enlarged pores and rough texture. This SkinMedica TNS serum contains two care ingredients: APS Corrective Complex and TNS Restorative Complex, divided into separate chambers. APS Corrective Complex is a blend of antioxidants and peptides that improve the overall appearance of your skin. TNS Recovery Complex is a blend of growth factors, matrix proteins and antioxidants that soften fine lines and wrinkles.