This bottle of Kosho is organic which free from preservatives.
Kosho means black paper in Japanese, or refer to chilli pepper. This type of green yuzu-kosho use unripe yuzu and green chiles, which is a little bit more common in Japan and relatively spicier which you fan directly used it on food. Taste very refreshing.
You can use it for hot pot dipping, stir fries, sauces or dressings. Or you can use it instead of wasabi. If you never try this before, Sumikkomart highly recommend this to you.
Chili pepper, citrus juice, salt