What it is: A potent serum expertly formulated with lifting dipeptides to visibly improve horizontal lines on the neck and loss of definition along the jawline. Who it's for: Normal skin types.What it does: Visibly smoothes horizontal lines on the neck. Improves the appearance of definition along the jawline. Helps visibly tighten skin on the neck. How to use: Turn applicator to on position and lightly squeeze to release serum. Gently roll over neck and under jawline in an upward motion. Only a thin layer is needed. Return applicator to off position and continue massaging serum into skin. Lightly pat in any excess until absorbed. Use both morning and evening.. 1.7 oz.