They are described an after-insect bite device (100) and method. The device (100) comprises a container body (10)； an applicator head (30) extending from one end (14) of the container body (10)； and a reservoir (50) housed within the container body (10) and adapted to contain a mixture (M) that is intended to be applied, through said applicator head (30), onto a part affected by the insect bite. The mixture (M) is a mixture (M) of completely vegetal substances and the device (100) further comprises heating means (40) housed within the container body (10) and which can be activated by switching on/off means (70) of said device (100) to heat said part affected by the insect bite, before applying said mixture (M).
