Here is a link the webseries that Clare was in wearing the witch makeup. Looks like the makeup FX is Masters FX which is the same from that Rain Wilson movie that the head is from.
https://www.youtube.com/watch?v=TaPwZ4PNfOE
And here is a behind the scenes video from that webseries where she is in the same makeup.
https://www.youtube.com/watch?v=lAnDnUuDhdY