Concrobium Mold Control is a proven mold fighting solution that effectively eliminates and prevents mold. It can also be used to clean up mold and get rid of musty odors with no harmful chemicals. The product works as it dries by crushing the mold spores at the roots and leaving behind an invisible antimicrobial shield to prevent future mold growth. Ideal on interior/exterior applications - under sinks, rubber seals, wood, drywall, plastic, fabric, upholstery and more. Contains no bleach, ammonia or volatile organic compounds (VOCs). EPA registered. This patented formula is used by homeowners and professionals.