Proven to reduce the itch To relieve itching & pain, the affected skin area is briefly heated to around 51 °C. By using concentrated heat, you can treat insect bites reliably and easily. This chemical-free principle of local hyperthermia is medically confirm Quick and easy bite relief Treat insect bites in moments with your smartphone. Simply plug heat it® into the charging port and the heat it® app opens, allowing you to customise your treatment. After a short warm up, place the contact surface of the heat it® on the insect bite. Depending on the setting in the app, the treatment lasts 4, 7 or 9 seconds. A chemical-free and sustainable solution to insect bites heat it® works only with natural heat and completely without chemicals. Powered by your smartphone battery, it's a sustainable device without follow-up costs. Suitable for the whole family heat it® is perfectly suitable for children from age 4, with self-application recommended from age 12. With our free app, you can adjust the treatment to suit your individual preference, with 12 treatment options available