I find the Grape Fruit Seed suggestion to be very interesting, as I have found many wonderful internal and external uses for this wonderful stuff.
However, I must caution that Hulda Clark makes stern warnings on the use of alcohol, even going so far as avoiding all products made with alcohol, specially for people with incurable diseases.
I would not think that it would be a good thing to apply alcohol to the skin, as the skin absorvs everything you put in it.
Her recommendations are in her book " The Cure For All Diseases ".