Potala Incense highest quality Tibetan incense stick, prepared by hand from 25 herbal ingredients following the tibetan scriputal tests and and the instructions of DR. Pasang Yonten. Most of the rare herbs used are growing naturally in the Himalayas. They are carefully collected to protecet the environment and shade dried to preserve their scent and quality. Potala incense stick are entirely natural and free from any synthetic substances.