Glide this peptide-powered neck serum roller onto skin to visibly improve horizontal lines on the neck and loss of definition on the jawline, known as Tech Neck. The cooling massage roller optimizes absorption and minimizes pulling on delicate neck skin for a smoother, visibly tighter profile. Glide this peptide-powered neck serum roller onto skin to visibly improve horizontal lines on the neck and loss of definition on the jawline, known as Tech Neck. The cooling massage roller optimizes absorption and minimizes pulling on delicate neck skin for a smoother, visibly tighter profile. Glide this peptide-powered neck serum roller onto skin to visibly improve horizontal lines on the neck and loss of definition on the jawline, known as Tech Neck. The cooling massage roller optimizes absorption and minimizes pulling on delicate neck skin for a smoother, visibly tighter profile.