Now everyone can treat themselves with laser light. Small laser devices for home and on the go make this possible. The application is effective and safe. The new bio-lasers supply skin cells with fresh energy and activate the body's own healing powers. They enhance fitness and well-being and alleviate pain, such as headaches, joint pain, and nerve pain. The gentle laser light quickly reduces stubborn cold sores, small wounds, and bruises. Muscle tension, lumbago, and sports injuries, as well as stress symptoms, fatigue, and nervous exhaustion respond well to bio-stimulation. Beauty also benefits from the targeted light beam, which can even smooth out small wrinkles. The laser pen can also be used instead of acupuncture needles to combat cravings and assist with smoking cessation.