Abstract: A disposable collar protector having an improved structure that allows for rapid and form fitting placement over a wearer's outer collar in surrounding relation with the neck is disclosed. A generally circular, thin sheet of flexible, preferably plastic, structure that includes a notches and cutouts that allow the device to be rapidly deployed into a collar protector while being placed around a person's neck. A radial slit originating at a peripheral edge and leading to a vertex of a generally triangular cutout. Additional slits further form a plurality of generally triangular flaps that may be tucked over the wearer's collar. The peripheral edge further preferably includes opposed peripheral notches that allow the collar protector to drape over the wearer's shoulders. The present invention thus provides an inexpensive and disposable collar protector for use during cosmetology procedures.