Not all lasers do all things. Instead, lasers are designed to help you accomplish particular goals. There are specific types of lasers and radiofrequency treatments that aim to tighten the skin, which can lift the cheeks, tighten the jawline, or tighten the neckline to create a more youthful, contoured appearance. The lasers that are used for tightening don't necessarily address lines and wrinkles. There are specific types of lasers and radiofrequency treatments that aim to tighten the skin, which can lift the cheeks, tighten the jawline, or tighten the neckline to create a more youthful, contoured appearance. The lasers that are used for tightening don't necessarily address lines and wrinkles.