Post #1079616

https://www.starwarsnewsnet.com/2017/05/the-last-jedi-heavy-walkers-resistance-bombers-and-snoke-revealed-in-new-lego-sets.html

So it seems likely that Snoke will make a non-hologram appearance in TLJ.

It also seems like Laura Dern’s character simply has pink hair in general.
(Based on the Vanity Fair photo, I assumed that it might simply be part of a Canto Bight disguise or something similar.)