Tagulmust - It is a long veil/turban that is dyed with indigo (which rubs off on skin) and beaten until it shimmers. It is worn by Tuareg men and socially keeps them at a distance. It also protects them from the Sahara’s heat and dust storms.
Hans, the head canon that everyone in Night Vale's appearance changes. With Cecil, the shift was fast and abrupt so his mother covered the mirrors. One day he peeked and shattered himself. That's why he calls Carlos perfect. So if Carlos ever changes, Cecil will still call him perfect. Paraphrased because the original is so beautiful.