Birch sauna aroma 50 ml Sale! from 750 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. The absolute favorite of Finns, unique Osmia Birch sauna-aroma. The product is dilted by mixing about 2-3 capful of aroma with about 5 liters of water INGREDIENTS: 3-methoxy-3-methylbutanol, Water, Birch Leaf aroma Tweet