Incense Sticks-Incense sticks are a perhaps the most popular and common type of incense. The reason for this is because they are slow burning and often emit just the right amount of scent without it being too strong. Incense sticks come in a large variety of scents and make but charcoal based incense sticks are the most common. Incense sticks are also popular for rituals, spells, and being placed on altars to be burned slowly over time.