Calcium sulphate aids in supperative conditions, where there is yellow, blood flecked mucus. Improves liver function allowing pathogenic waste to be re-routed to the liver for processing. For acne which has pus and blood under the skin. For ulcers on the skin and bedsores. For any long supperating condition eg, leg ulcers, ears dischargingfor weeks or months. Take 1 x 3-4 times daily in chronic condition take every 15 mins for up to 2 hours. Take crushed in luke warm water approx 2oz. If not chew tabs and sip luke warm water. Available with prescription only. Very effective with Blacmores S79 for discharging of pus, scarring and reduces the appearance of existing scars.