It may hinder the perm from getting good curl. Never rub your hair when towel drying. Blot it gently with your towel. Spray on a leave on conditioner, this helps prevent frizz and breakage. There are products which provide protection to your hair when you use heat.
Nylon brushes can stir-up electricity.
So, I suggest you switch to a natural bristle hair brush. I don't know what you mean by off brand make-up. There are a lot of different brand name make-ups out there. However, there is a very long price range from very expensive to cheaper or more affordable brands. If you check your make-up ingredients most of the time they consists of the same ingredients.