丹塗り面 ninurimen.【追儺 Tsuina Ceremony 】11

The reason for the red color of Japanese shrines is
that Japanese culture has used the red color of tan to ward off evil and for sacred purposes.
to ward off evil spirits and for sacred purposes.
Red paint called “lead tan” is mainly mixed with lacquer
and used in various places.
ーAbout Japanese『Popular』 Masksー

Gigaku masks（伎楽面） are masks used in Gigaku（伎楽）,
an ancient Japanese masked dance drama.
According to Wikipedia, it is one of the oldest masks in the world.

Gigaku is a masked dance drama that was introduced to Japan
from Wu (in the Jiangnan region of China),
It is a pantomime (mute drama) with comical gestures.

In April of the first year of Jougan (686),
Nihon shoki (Chronicles of Japan), it is written as follows
Gigaku seems to have been performed at Kawahara-ji Temple in Asuka.
However
it declined and disappeared during the Heian period (794-1185),
Details of its movements and storyline are unknown.

There are two types: carved wood and lacquered.
In this animation,
surface appears to be made of lacquer.