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).