Wyo. Stat. Ann. § 33-12-128

The board shall prescribe the form and expiration date of licenses. Licenses may be renewed by submitting the required application for renewal and fee to the board before the license expiration date. If a cosmetologist, manicurist or nail technician, esthetician, hair stylist or instructor license is allowed to expire, the license may be renewed within a period of ninety (90) days after the expiration date, but after the expiration of ninety (90) days from the date the license expired the license shall lapse.