#wig  hairpiece covering the head and made of human or synthetic hair
  supertype:  hairpiece__false_hair__falsehair__postiche  a covering or bunch of human or artificial hair used for disguise or adornment
  subtype:  grizzle  a grey wig
  subtype:  periwig__peruke  wig for men fashionable in 17th-18th centuries

No statement uses or specializes wig; click here to add one.