colloidal sulfur


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colloidal sulfur

a form of very finely divided sulfur that is used in the treatment of acne and other skin disorders.
References in periodicals archive ?
Antiseborrheic & Antidandruff Medicated Shampoo for Dogs and Cats, featuring zinc pyrinthione, salicylic acid and colloidal sulfur for the treatment of seborrheic dermatitis.
No cause of the acidification was found, but when I added hydrochloric acid to a sample, release of colloidal sulfur showed that the acidification was caused by thiosalts formed by oxidation of pyrite in the mine's concentrator, and the rest is history.
The precipitation of colloidal sulfur in acid solutions of hydrogen sulfide is a common experience in qualitative inorganic analysis.