This section is from the book "A Treatise On The Materia Medica And Therapeutics Of The Skin", by Henry G. Piffard. Also available from Amazon: A Treatise On The Materia Medica And Therapeutics Of The Skin.
C. Relieves the pains of cancer, Battye, 126, Nov. '74, 420. Lupus; (H.G.P.).
D. (Fine sand rubbed on the skin.) Ephelis, chromophytosis, acne rosacea, and chronic eczema, Ellinger, 177, '76, No. 45.
Battye employed finely pulverized silica in one-grain doses. I have used triturations of this substance, and have twice seen small lupous ulcerations heal during its use.
 
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