Helps conceal unpleasant pet smells in your home. Signature Arm & Hammer baking soda and essential oils help deodorize litter odours. Simply sprinkle the dissolvable crystals over the cat litter for a pleasant scent boost. Crystals dissolve over time, leaving behind zero mess. Restoring scents are designed to help ease your fur-iend’s stress This special blend of baking soda and essential oils absorbs pet odours quickly and efficiently. A few sprinkles of the dissolvable crystals helps restore the litter box's pleasant scent, and the restoring scent is formulated to reduce stress in your furry companion. Plus, the crystals dissolve over time to ensure a clean and mess-free finish.