tortillon
/tɔːrtɪjɒ̃/ or /tɔːrˈtiːjɒ̃/ (tôr-tee-yon)
Definitions
1. noun
A small piece of cloth or paper used for applying heat to the face, especially to relax facial muscles or to soften the skin.
“She used a warm tortillon to loosen up her facial muscles before applying the makeup.”