TNS Essential Serum is a rejuvenating product compounded by Skin Medica. It is designed to make skin feel and look young, nourishing it with a palette of salutary elements. The well-balanced treatment formula and anti-aging properties of the serum help wipe away the years. This product comes in the size of 1 Oz/Fl Oz. and should be used by gently applying it on the face/neck.