Dural Hair Brush 9 Rows Thermo Ash WoodCushion brush 220 x 62 mm, real wooden pins, premium quality. 9 rows. Made from thermo ash wood in classic design Thermally modified timber (TMT) is wood treated at high temperatures, and this process changes its characteristics in such a way that it is sometimes described as domestic tropical timber. In the controlled atmosphere of a special chamber the timber is treated at temperatures of up to 250 C. Due to the heat and humidity, the sugar