This fragrance keeps your home smelling good irrespective of the number of people because of its strong nature. It is for this reason it is often used as a room freshner. Hem Patchouli Incense Sticks have a strong lingering odour – making them the ideal choice for fragrant offices too. Patchouli oil has a strong, slightly sweet, intoxicating scent. It's described as having a dark, musky-earthy aroma profile, reminiscent of wet soil.