Hygea Natural Bed Bug Laundry additive is a necessary step when dealing with bed bugs. Bed bugs are known to hide in mattresses, covers, clothing, furniture, outlets and anywhere away from your eye. Use to treat bed bugs from clothing, linens, drapes and other washable, machine-safe items. Product can also be used on bed bugs, fleas, dust mites, lice and most other crawling pests. The formula is made from natural ingredients, keeping you and your family safe. This product was originally developed for professional exterminators, and is safe to use by anyone. Efficacy studies done by the University of Florida and by entomologist Louis Sorkin prove 100% efficacy. The spray works by burning the outer shell of the pest, leaving it motionless. This is a contact spray and the results are immediate. We even provide a full guide with every purchase to ensure you get maximum results. Our product is safe to use around children and pets, is stain free and odorless.