If you or your cat suffers from allergies, choosing the right litter is critical. Dust, fragrances, and clay particles can trigger sneezing, wheezing, or skin irritation. Our team evaluated popular large-capacity litters against published allergen-reduction standards and aggregated owner feedback to find options that keep the air clean and your cat comfortable. We focused on unscented, clumping, low-dust formulas that also minimize dander and ammonia odors. Each product was assessed for particle size, dust cloud on pouring, clumping integrity, and odor control. Below are our picks, from best overall to best value, with clear explanations of why they earned a spot.

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