PhaZe 2 Laundry Detergent infuses any of your outdoor garments with Z-technology, adding a key layer of human odor control. This environmentally friendly formula works with High Efficiency machines, has no added UV brighteners and is safe to use with nearly all hunting garment technologies. Scent Capturing Z-Technology No UV Brighteners Environmentally Friendly Concentrated Formula (16oz.) H.E. Washing Machine Approved Proven to Work PhaZe Out your body odor in 3 simple steps and experience the next level of scent control this hunting season! For optimum results, use PhaZe 2 Laundry Detergent in conjunction with the entire PhaZe system.