The aroma of Katok Monastery Formula Incense is very distinctive, rich and full-bodied, featuring spicy, slightly sweet tones. There is a moderate to heavy amount of smoke when first lit, which settles down when burning. The ash produced is dark. It is excellent for meditation practice and offerings. Katok Monastery Formula Incense is produced under an agreement from Katok Monastery. Founded in 1159, Katok is one of the six principal monasteries of the Nyingma school of Tibetan Buddhism. It is located in Derge, Sichuan. The monastery is known for its fine scholarship and today has 112 branch monasteries from Mongolia to Sikkim.