page_title: Sulfur (pharmacy)
section_title: Forms and uses
hierarchical_section_title: Sulfur (pharmacy) / Forms and uses
caption_attribution_description: English: This is a picture of 99.5% Triangle brand sulfur powder from International Sulfur, Inc.
context_page_description: Sulfur is used in pharmaceutical skin preparations for the treatment of acne and other conditions. it acts as a keratolytic agent and also kills bacteria, fungi, scabies mites and other parasites.
  Chemically, it is the naturally occurring octasulfur.
context_section_description: Flower of sulfur or sublimed sulfur (Latin: sulfur sublimatum) is the naturally occurring, unpurified form. It comes in yellow flakes and has been used in traditional and alternative medicine for humans and animals, as well as in alchemy and sulfuring fruit before drying.
  Purified sulfur (sulfur depuratum) is prepared by washing sublimed sulfur with ammonia. It is a fine yellow powder. It was formerly used as a laxative, but this application is rare today.
  Precipitated sulfur (sulfur praecipitatum) is prepared by boiling sulfur and calcium oxide in water and then precipitating with hydrochloric acid. It, too, is a fine yellow powder.
  Colloidal sulfur (sulfur colloidale) is an extremely fine sulfur powder prepared by repeated precipitation, first from polysulfides with protein and then from a slightly alkaline solution with ethanol or acetone. It has a greyish-white colour. Colloidal solutions in water are milky, and bluish when viewed against the light.
caption: Pulverised sulfur
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