In Krampus (2015) You never see the demon's face as he's actually wearing a flesh mask to appear more like Santa Claus (Or as an insult to Santa Claus) : r/MovieDetails
Michael Dougherty's Krampus - Krampus Halloween Mask – Trick Or Treat Studios
Latex Krampus Costume Masks, Cosplay Halloween Horrific Scary Domen Monster Mask - Party Masks - AliExpress