This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Chrysarobinum. Antiparasitic and alterative, used in psoriasis, herpes tonsurans, and pityriasis versicolor. Use in 5% ointment. Very dangerous to the eyes, or over large areas from absorption into blood.