The man was caught on CCTV breaking into and entering the business on Glen Osmond Road about 3.30am on May 23.
Police allege he stole several items, including sex toys and lingerie, and then returned several times over a period of two hours.
In an appeal for information, police have released CCTV from the time of the break-in to the public.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000.