Added spicy essence.
According to Baidu Encyclopedia, the reason why Hupowder Temper brand spicy strips are so spicy is because they have spicy essence added into them. They are a kind of abnormal spiciness and are spicier than ordinary chili peppers. , ordinary people can't stand it. The Gunpowder Temper brand spicy strips use devil chili peppers from India, which are recognized by Guinness as the hottest chili peppers in the world.