Zilch Acne Formula by Dr. Vivian Tam is a 100% natural, Chinese Medicine herbal supplement designed for acne. Its powerful blend works on healing the skin from the inside out to provide a real, long term solution to problematic skin. TGA approved formulation. We are all natural, 100% of the time. Our formulas are made up of only herbal ingredients + potato starch as a binder. Really! Our unique and specialised production process is allows us to add no binders, no fillers and no preservatives. There’s nothing else on the market like it and we are so proud to be able to produce our pure herbal extracts in tablet form with no nasties!