Sulphurous Water Treating Shampoo Basic formula: Sulphurous Water from Averroes Source. Sulphur nascent of baregines cultures. Zinc pyrition. Rosemary extract. Indications: Scurf. Seborrhea. Eczema. Greasy hair. Directions for the use: Apply twice a week. Let it during several minutes before rinsing. (Shake before use) Presentation: PS pots of 200 ml.