TECH« contains no harsh chemicals, bleach, or anything to dull the colors on fabrics. It?s safe to use around kids and pets, but strong enough to eliminate stains quickly and permanently. You?ll see instant results ? no waiting for enzymes to activate. TECH« has earned the Seal of Approval from the Carpet and Rug Institute, meaning that TECH« is recognized by carpet manufacturers as a superior product that works without damaging carpets, and may not void your carpet manufacturer?s warranty.