Elimin-Odor Feline Cat urine and stool odors are destroyed - not a cover-up. The odor molecules are prevented from forming a gas; without a gas there is no odor. Safe. May be used as often as required. Stops odors at the source by preventing odor molecules from forming a gas. No-desensitizing or masking agents. Non-toxic and non-irritating to skin, eyes and hair.