How to get a strong jawline? Want a slimmer, more detailed jawline? The so-called jawline is the jaw area or the lower jaw contour of the human face. It consists mainly of the jaw bone and the interaction of three muscles: temporalis, masseter and pterygoideus medialis. These muscle you can train like all other muscles in our body, the jaw muscles grow when stimulated by targeted training.                                          Perfect V-line - Face Lifting Mask use light therapy that triggers intracellular reactions according to the color of the light. Red light at 625nm reaches the dermis and blue light at 470nm penetrates the epidermis. Get a relaxing massage by vibration at 3500/min that stimulates the layers of skin. For men and women.                     Included in Box: Perfect V-line - Face Lifting Mask with adjustable strap - Remote control - Cables