With your face concealed, you can be inscrutable
No prerequisites.
While a mask obscures your face, you gain a +2 circumstance bonus to Bluff checks to lie. DCs of Sense Motive attempts against you increase by 2, as does the DC of Intimidate attempts to bully you.
Starfinder Character Operations Manual © 2019, Paizo Inc.; Authors: Alexander Augunas, Kate Baker, Simone Dietzler, Jennifer Dworschack-Kinter, Leo Glass, Sasha Lindley Hall, Amanda Hamon, Vanessa Hoskins, Jenny Jarzabski, Jason Keeley, Lyz Liddell, Luis Loza, Ron Lundeen, Crystal Malarsky, Robert G. McCreary, Conor J. Owens, Joe Pasini, Owen K.C. Stephens, Jason Tondro, and Landon Winkler.