Gyokushodo Traditional Incense Series Seidaikoh (Agarwood)Seidaikoh Traditional Agarwood and Herbal Incense The Traditional Incense series is a heritage collection created using abundant aromatic woods such as precious agarwood and high quality Indian sandalwood, blended according to time honored methods passed down through generations. Each fragrance represents a distinct classical expression, revealing the natural character of aromatic woods through the opening impression, the burning aroma, and the