Charcoal to the Rescue Ever Clean EverFresh Unscented Litter with Activated Charcoal comes with odor-neutralizing charcoal, which is highly absorbent. The clay granules used in this litter are larger in size, which helps in absorbing more odor and moisture. This special litter is unscented and has large granules to stop the growth of odor-causing bacteria. This unscented litter can be used around those who are sensitive to any kind of scent.