Cold sores are not only unsightly but can also be very painful. Accompanying symptoms such as burning, tingling, itching, or tightness can be alleviated from the very first application of Herpotherm. Herpotherm is a medical device that can even completely prevent cold sores when used in a timely manner. It is chemical-free and works solely with concentrated heat. Suitable for pregnant women, allergy sufferers, and children. A long-lasting alternative to creams and patches. Easy and practical to use. Dermatologically tested. Medical device "Made in Germany.".