This page shows the different variations of the Facepalm from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free. Icons are available in PNG and vector.
The foreground of the icon has a person's left hand with all fingers and thumb covering the background which is shaped like that of a person's head. The icon is that of a person covering their face with the palm of their hand as if in disgust or shock.