Active: Thymol (Present as a Components of Thyme Oil): 0.05%. Other: 99.95%. Total: 100.00%. Other Ingredients: Water, Sodium Lauryl Sulfate, Copper Sulfate Pentahydrate (Bluestone), Citric Acid, Sodium Citrate, and Essential Oil Fragrance++ (Origanum Vulgare, Cymbopogon Nardus, Cymbopogon Schoenanthus). ++Citral is a Component of These Essential Oils.