PEPTIGHT TIGHTENING NECK SRM ROLER 1.7OZ. Benefits: High-tech smoothing and tightening rolled into one. Glide this peptide-powered neck serum roller onto skin to visibly improve horizontal lines on the neck and loss of definition along the jawline, known as Tech Neck, visible signs of aging caused by the repeated motion of looking down at devices. Visibly smooths horizontal lines on the neck. Improves the appearance of definition along the jawline. Helps visibly tighten skin on the neck. Research Results: 93% reported neck lines appeared softer. 90% reported neck looks firmer. 100% reported skin texture feels smoother. Key Ingredients: Honey Locust Seed Extract. Lifting Dipeptides. Arctic Marine Ferment.