Hi plasticat,
I am of the opinion that different people have different causes for their acne. For some people it could very well be toxins, others diet issues (such as food allergies ), others hormones, others still parasites such as mites etc. In my case I know that my lymph system plays a large role - I have been battling an infection there and when it is bad then my Acne can get bad. What works for someone doesn't work for someone else. Yours very well may be unrelated to toxins - however I still say that there is a cause for your skin problems that goes beyond genetics and that one day you will find it.