The Bass Brush patented new BIO-FLEX Shine is an incredible break-through with a handle made with cornstarch. With a unique fluid design and premium natural bristles, the BIO-FLEX Shine distributes natural oils to shine the hair. It pairs beautifully with other Bass Brushes. Handle made from corn, cassava, and potato starch therefore certified biodegradable. When discarded, under organic conditions such as a landfill, the handle will break down into a perfect natural fertilizer. Our Shine & Condition brushes use 100% premium natural bristles that distribute natural oils for a clean finish and healthy shine. Used and recommended by professional hairstylists all over the world. Suitable for all hair types