Professional products and treatments containing Glycolic acid can effectively help control acne (that is .. if thats what the condition is) It has personally worked wonders for my own skin. A long term sufferer of very problematic and scarred skin.
Hopefully she wont feel 'talked into' anything she doesnt feel comfortable with. If she can find herself someone with a good reputation she could go along and have a consultation, maybe pick up leaflets etc, allowing her to find out more on certain treatments.