[2] The album features guest appearances from Aesop Rock, Danny Brown and Open Mike Eagle, among others.

[11] Adam Kivel of Consequence of Sound said: "Wild, insanely ambitious, and a bit inconsistent, Perfect Hair encodes and decodes the ideas, opinions, and deconstructions that can only come from Farquhar's brain.

"[14] David Jeffries of AllMusic said, "Perfect Hair contains all the usual reasons Busdriver is wonderful, just with a little more sugar baked in.

"[12] Grant Brydon of Clash said, "The rollercoaster ride of his delivery makes it an enjoyable experience rather than a textbook headache.

[15] Jack Dutton of musicOMH said, "Although this album is at times a difficult listen, you can't help but admire Busdriver for his innovation and general wackiness.