Comfort Care™ Unscented PREVIOUSLY ORIGINAL UNSCENTED Gentle On Paws & Planet. Our Comfort Care™ formula is a naturally safe and sustainable tight-clumping litter with a soft texture that’s gentle on those precious paws and flushable* for easy cleanup. And because it’s made from whole-kernel corn, our Comfort Care™ formula lasts 2X longer than the leading U.S. brand. No harmful chemicals, no artificial perfumes, and no clay dust. That’s the power of corn. Available in 15 and 28 lb bags.