This local Levin business appears to have a long history. There is a record of it existing as early as the 1940s, run by a Mrs. Weir. In 1981 the business was still there (but there is no record of who owned it by that stage).
This cinema advertising slide would have been screened during intermission- but only for a few seconds to avoid the projector's heat cracking the glass! In the era before television, going to the cinema was a frequent past time and if you paid extra to be seated upstairs in the 'dress circle' you generally dressed in nice clothes. What better audience to advertise cold waving, colour shampoos, hair tinting, razor cutting and facials!
Imagine this ad stretching over a cinema screen- now that would be impact....