This was pretty popular in the past and seems to be at an all time low.
Discussion on how it works: https://www.ozbargain.com.au/node/834671
Looks like heating up a spoon or using another heat source will also do the trick. This just provides convenience.
The BR 90 Insect Bite Healer is for Treating Insect Bites, Relieves Itching and Swelling, Without Chemicals
- Relief of symptoms: thanks to the targeted heat effect of the ceramic heating plates, itching and swelling of the affected area are relieved and symptomatics are improved
- Pleasant healing process: the heat development of the electric bite healing accelerates the healing of bites, the itching decreases and the healing process is often perceived as comfortable
- 2 programmes: from two different programs, you can choose the right heat level for use in people with sensitive skin and for regular use in mosquito bites
- No chemical substances: the use of the stitch healer works by means of heat and without chemical substances, the use of the chemical-free insect bite healer is also suitable for pregnant women
- Use in the dark: thanks to the switchable light, the bite healer can also be used precisely in the dark, the compact design is ideal for outdoor trips such as camping or barbecuing
edit: for those who were skeptical like me. There is this study that suggests that concentrated heat does work to a degree: https://www.medicaljournalssweden.se/actadv/article/view/115… . I am still skeptical as I have not tried it yet!
I've always found this product works really well - https://www.amazon.com.au/Bite-Thing-Suction-Poison-Remover/…