The new Medium Stubble facial hair prevents use some cosmetic head/face items and changes on it's own.

Unequips 3E hat when selected. Then changes to Goatee A when hat is re-equipped.
http://gameclips.io/The%20Crockford/...a2f9a1e9/embed

Automatically unequips Fourth Echelon Mask.
http://gameclips.io/The%20Crockford/...c98ff411/embed