... antiarthritic, diuretic, antiseptic, astringent, febrifuge, germicide, insecticide, and depurative substance.There are two types of birch, the ... astringent, depurative, disinfectant, diuretic, febrifuge, insecticide and tonic.Chemical compositionThe main components of birch oil are ... oil can help with muscular aches and pains, arthritis and rheumatism.Cream and ointmentThe crude tar from birch is ...