Yup. Hearing Zez say that for the first time I was like 'Dude! Are your bushy eyebrows blocking your eyes? She's right there!'
Yeah, I think that's how she hid her presence from the Jedi Masters and other Jedi when she was around them. If I recall correctly Zez-Kai Ell remarked that she was 'difficult to see'.
Of course that was a long time ago.