The designation "QZ201 Hair Comb" is likely a product model number used by a manufacturer or a specific distributor, rather than a universally recognized style or type of comb.
Based on similar product naming conventions and search results that mention other "QZ-" model numbers (like QZ-208):
It is most likely a common, mass-produced plastic hair comb.
The "QZ" prefix and three-digit number are typically used by Asian (often Chinese) manufacturers or wholesalers for inventory and cataloging.
The model number i sometimes associated with a brand called Maggie in some retail listings (though this could also just be a retailer grouping a line of similar products).