Made of Swiss FSC beech wood, trimmings made of bio-based plastic, made entirely from renewable raw materials, the brush is all about sustainability, so the handle is not only convincing thanks to its handy shape, but also thanks to the high-quality Swiss FSC beech wood, the handle is punched with bristles made of bio-based plastic, this means that the plastic is not made from crude oil but from renewable raw materials, in this case castor oil, in order to conserve natural resources, only the most necessary material is deliberately used for this brush, this brush is sustainable and effective ? from head to stalk