Dermisol Multicleanse Solution Presentation Dermisol Solution is a clear colourless aqueous cutaneous solution of an approximate pH 2.3 prepared from the following active ingredients. Propylene Glycol PhEur 40% v/v Malic acid 2.25% w/v Benzoic Acid PhEur 0.15% w/v Salicylic Acid PhEur 0.0375% w/v