Shout Triple-Acting Laundry Stain Remover Is Tough On Stains, But Gentle On Your Color-Fast Machine-Washable Fabrics. Its Triple-Acting Formula Clings Onto Fabric Stains In The Washing Cycle, Penetrates Stains Quickly Once Sprayed Upon, And Lifts Stains Off Of Fabric. Shout Triple-Acting Is 50X More Concentrated Than In-Wash Powder* And Works On A Wide Range Of Everyday Stains Like Food, Grass, Dirt, And Blood. Safe For All Colorfast Washables And Works In All Water Temperatures. Shout Has The Stain-Fighting Ingredients To Break Up And Remove Tough Stains So You Can Live In The Moment, And Clean Up Later.