I have an African American client who presents with grade  2 acne and lots of deep rooted congestion covering almost the entire face  and the clieht has an allergy to Sulfer, I work primarily with Dermalogicia products and as such I clearly cant use Dermalogica's Medibac line ( which would cleary be my first choice) do to sulfer being a main ingredient for that specific line. How do I treat this client and give sound results? I would like to recommend an appropriate product line as well as…