Fresh Step Advanced Simply Unscented Multi Cat Clumping Litter, Formulated With No Added Dyes or Fragrances, Ammonia Block Technology, Low Dust, 18.5 lb. Box Review

By Marcus Bell · Dog nutrition editor · Published 2026-05-31 · Updated 2026-06-28

4.5 (5,900) Amazon rating$16.6810,000+ bought last month

Our verdict

Fresh Step's Simply Unscented litter strips out added dyes and fragrances while keeping Ammonia Block technology and a low dust formula, and a 4.5 star rating from 5,900 reviews shows it holds up without the scent additives.

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Best for

Owners who want a fragrance free, dye free clumping litter but still want ammonia odor control and reduced dust.

Skip if

You rely on a scented litter to mask odor between cleanings, since this formula intentionally leaves out added fragrance.

Priced 33% below the category median ($24.99 across 153 tracked models)

Our scorecard

4.5/5 overall

Owner rating4.5/5

4.5 average across 5,900 owner ratings
Popularity3.7/5

5,900 owner reviews, more than most models here

The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog and cat food, health, gear and grooming we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.

Overview

["This Fresh Step formula is positioned as a simpler alternative to the brand's scented lines, formulated with no added dyes or fragrances. It's aimed at cats and owners who are sensitive to fragrance or just prefer a plainer litter.", 'Even without added scent, it keeps Ammonia Block technology to help manage ammonia odor and a low dust formula to cut down on the cloud that comes with pouring clay litter.', "It's sold in a single 18.5 pound box, a smaller commitment than the two box bundles in this lineup, and at a lower price point it has picked up 5,900 reviews with a 4.5 star average and around 10,000 units bought in the past month."]

Pros

No added dyes or fragrances for scent sensitive cats and owners
Ammonia Block technology still included despite no added scent
Low dust formula reduces mess when pouring
Lower price point than the two box bundles in this lineup

Cons

No fragrance means less odor masking between litter box cleanings
Single 18.5 pound box is a smaller quantity than other Fresh Step listings here
Fewer reviews than the brand's higher volume scented formulas

Performance notes

With dyes and added fragrance removed from the formula, the litter relies on Ammonia Block technology to manage odor rather than scent coverage, while the low dust design is meant to reduce airborne particles during pouring and scooping. The single 18.5 pound box format is a smaller, lower commitment size compared to the multi box bundles in the same product line.

What buyers say

A 4.5 star average across 5,900 reviews is a solid score, and roughly 10,000 units bought in the past month shows healthy demand for a fragrance free option within the Fresh Step lineup.

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