CJB. If its the same stuff used to make a floor slippery it is called h POPS here.I havent struck it for for a while but it is still available. It might be ok for people with ordinary everyday shoes, but for dance shoes never.If a floor is slippery and you want to fix it, have a squeeze bottle of castor oil handy. Squeeze some here or there and mob in with a wet mop ( water ). It will not harm the floor and nobody would know except it is no longer a skating rink. Failing that you can apply the oil, any oil, to the bottom of your shoes.Just don't tread it around.
Once I was at a place that was behond a joke. Didn't have any oil, so we used some engine oil from the car dip stick.I also met a guy who used to prepare a dance floor with POPS, his method to find if he had put enough down was to take a run and a slide across the floor, and if he slid for about 2 to 3 yards according to him that was fine. I'm not sure but I think now the Public Liability have had something to say about this.