<p>In a wig (10) provided with hair materials (12) planted on a wig base, the wig base (11) is defined into a front unit (11a) including an artificial skin unit (110a) and extending from the virtual hair line of the forehead to the top of head of a wearer and a net mold (11b) contiguous to this, and the artificial skin unit (110a) is constituted of a shape-retaining net-integrated synthetic resin skin film, is provided with a front edge area (111) extending from a front edge (11a') positioned at the virtual hair line of the wearer toward the inside and having a specified width and provided with a rear area (112) continuous to the front edge area, and has an arcuate warp preventing structure giving a curved ridge line by bending the front edge area (111) in a slope sharper than the corresponding head profile of the wearer.</p>
