To be used in stubborn cases, where the removal of the diseased skin is desirable.

1. Arbor Vitae Fluid Extract      1/2 drachms

2. Corrosive Sublimate          2 grains

3. Salicylic Acid               1 drachm

4. Lactic Acid                  1 drachm

5. Castor Oil                     1/2 drachms

6. Collodion                    5 1/2 drachms

Dissolve Nos. 1 2, 3 and 4 in No. 6, then add No. 5.

Directions: Apply with brush to affected parts morning and night until skin
appears white, then soak in warm water .and pull off the dead skin. Repeat if
necessary. If large parts must be treated, it should be done in small sections.