What is "nag champa"

n. A sandalwood-heavy perfume oil originating in India, or incense thus perfumed

Nag Champa is a fragrance of Indian origin. It is used in incense, soap, perfume oil, essential oils, candles and personal toiletries, and is common in ashrams. Introduced to the U.S. by the Hippies in the 1960s, it has become one of the most popular and recognizable incense fragrances.