birch tar oil


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birch tar oil

(berch tar oyl),
Pyroligneous oil obtained by the dry distillation of the wood of Betula alba and rectified by steam distillation; used externally in the treatment of skin diseases.
Synonym(s): birch tar
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References in periodicals archive ?
For those that have a lovely Silver Birch in the garden, the uses seem to be endless from a beer made using the springtime sap to a cure for psoriasis made from birch tar oil.
GARDEN SECRETS: the flowers and young foliage of common daisies, Bellis Perenni, can be used in salads and might help to cure coughs and mucus, while uses of Silver Birch (below) seem to endless, from a beer made using the springtime sap to a cure for psoriasis made from birch tar oil