- Bring a touch of the outdoors in with the crisp, just-cut forest fragrance of Frasier Fir. Formulated with 100% naturally derived surfactants, this powerful cleaning detergent contains a unique super blend of bio-enzymes that offers a natural, convenient and powerful system that helps remove tough stains. This natural, 2X concentrated liquid laundry detergent creates a fresh and fragrance-filled washing experience, is safe to use on most fabrics, and does not contain dyes, optical brighteners, phosphates and dioxanes. Compatible with high efficiency washing machines.