Nufabrx Pillowcase: Clearer Skin While you Sleep The Nufabrx Pillowcase has been shown to reduce the bacteria P. acnes by 91.5 percent over a 24-hour period with our proprietary serum containing lavender, lemon balm, tea tree and wintergreen oils Innovative nanocapsule technology embeds our specially formulated serum within the fibers of the pillowcase. The heat and pressure of your skin release the serum as you sleep The Nufabrx Pillowcase is 220 thread count bamboo. That's equivalent of 500 plus cotton thread count making the pillowcase super soft. The decreased thread count means the bamboo fabric is more breathable which also leads to clearer skin The Nufabrx Pillowcase is 100 percent bamboo, handcrafted from the finest bamboo fibers and infused with natural essential oils to create a spa-quality, anti-microbial, hypoallergenic and all-natural pillowcase Being 100 percent natural makes your pillowcase easy to care for too. Once a week, simply clean your pillowcase in the washer with cold water and put it in the dryer on low