Gyokushodo Incense Sticks, OnkoOnko Low Smoke Incense Inspired by Traditional Aromatics Onko is a low smoke incense that expresses a renewed appreciation for traditional aromatic materials. Concept and Blending Philosophy Inspired by the idea of learning from the past to discover the new, Onko is carefully blended to reveal the natural character of classical herbal aromatics. The formulation is designed to keep smoke to a minimum while allowing the fragrance of these traditional