Strands in Grope Lane, Shrewsbury, was targeted over the Easter Bank Holiday weekend in one of a number of attacks in the county town.
Boss Julie Potter is now counting the cost up to around £1,000 to repair the window and replace stolen straighteners and hairdryers.
She said: "On Saturday evening I was informed someone had smashed the window. There seems to have been a couple of break ins and a lot of anti social behaviour about.
"The police were very thorough. They were here within an hour and were able to get a footprint. They're also going to look at CCTV.
"The man who came to fix the glass said he had never had as many call outs as this weekend.
"Businesses have been shut for three months and the last thing they want to do is put up with something like this."
She added: "Everyone has been lovely and I've had a lot of support. Unfortunately there are a very small minority of people who make you want to tear your hair out.
"I think the shops in Grope Lane may write to the council for more support with security.
"There is nobody about at the moment. The town will be more alive next week so hopefully this type of crime will drop."
If you have any information about the break in at Strands or any other anti-social incidents in Shrewsbury, call police on 101.