Your cat has likely got an allergy if it has started sneezing, itching its face, or struggling to breathe. And the cat litter may be the problem. Our hypoallergenic cat litter uses food-grade raw materials without any fragrance and coloring, which has a very low dust and natural scent. The particle diameter is 2mm. This cat litter has a medium size and balanced performance. Hypoallergenic cat litter can play a huge role in your cat's overall wellbeing.