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A box of Fresh Step Simply Advanced cat litter and a new carton of the same litter showing how the litter packaging has changedA box of Fresh Step Simply Advanced cat litter and a new carton of the same litter showing how the litter packaging has changed
A carton of Fresh Step Simply Advanced on a blue backgroundA carton of Fresh Step Simply Advanced on a blue background
A woman playing with her cat in a a living room. The words "Even your cat's impressed" regarding the fragrance free formula.A woman playing with her cat in a a living room. The words "Even your cat's impressed" regarding the fragrance free formula.
Clumps stronger than corn-based litter. Two scoopers showing the compact scooping of Fresh Step vs the leading competitorClumps stronger than corn-based litter. Two scoopers showing the compact scooping of Fresh Step vs the leading competitor
A cat being held by a vet with a stethoscope, the words "Vet recommended" on topA cat being held by a vet with a stethoscope, the words "Vet recommended" on top
A comparison chart of Fresh Step litters, the odor-fighting guarantees and special featuresA comparison chart of Fresh Step litters, the odor-fighting guarantees and special features
A woman playing with her cat. A pink panel on the right side with claims: powerful odor control, strong clumps, multi-cat strength, low dustA woman playing with her cat. A pink panel on the right side with claims: powerful odor control, strong clumps, multi-cat strength, low dust
A close up of the bits that make up Fresh Step cat litter: ammonia blockers, naturally strong clay, odor-eliminating carbonA close up of the bits that make up Fresh Step cat litter: ammonia blockers, naturally strong clay, odor-eliminating carbon
Two cats looking at their owner as litter is poured into a litter box. Instructions for how to use in 3 steps below.Two cats looking at their owner as litter is poured into a litter box. Instructions for how to use in 3 steps below.
A woman snuggling her cat. The review above says "It has been a nose saver! I no long have to clean the litter box 2–3 times a day."A woman snuggling her cat. The review above says "It has been a nose saver! I no long have to clean the litter box 2–3 times a day."
A box of Fresh Step Simply Advanced cat litter and a new carton of the same litter showing how the litter packaging has changedA box of Fresh Step Simply Advanced cat litter and a new carton of the same litter showing how the litter packaging has changed
A carton of Fresh Step Simply Advanced on a blue backgroundA carton of Fresh Step Simply Advanced on a blue background
A woman playing with her cat in a a living room. The words "Even your cat's impressed" regarding the fragrance free formula.A woman playing with her cat in a a living room. The words "Even your cat's impressed" regarding the fragrance free formula.
Clumps stronger than corn-based litter. Two scoopers showing the compact scooping of Fresh Step vs the leading competitorClumps stronger than corn-based litter. Two scoopers showing the compact scooping of Fresh Step vs the leading competitor
A cat being held by a vet with a stethoscope, the words "Vet recommended" on topA cat being held by a vet with a stethoscope, the words "Vet recommended" on top
A comparison chart of Fresh Step litters, the odor-fighting guarantees and special featuresA comparison chart of Fresh Step litters, the odor-fighting guarantees and special features
A woman playing with her cat. A pink panel on the right side with claims: powerful odor control, strong clumps, multi-cat strength, low dustA woman playing with her cat. A pink panel on the right side with claims: powerful odor control, strong clumps, multi-cat strength, low dust
A close up of the bits that make up Fresh Step cat litter: ammonia blockers, naturally strong clay, odor-eliminating carbonA close up of the bits that make up Fresh Step cat litter: ammonia blockers, naturally strong clay, odor-eliminating carbon
Two cats looking at their owner as litter is poured into a litter box. Instructions for how to use in 3 steps below.Two cats looking at their owner as litter is poured into a litter box. Instructions for how to use in 3 steps below.
A woman snuggling her cat. The review above says "It has been a nose saver! I no long have to clean the litter box 2–3 times a day."A woman snuggling her cat. The review above says "It has been a nose saver! I no long have to clean the litter box 2–3 times a day."
FRESH STEP™

Simply Unscented Advanced Cat Litter

Advanced formulation with more Ammonia Block Technology* for powerful odor control.

For an unscented litter option, the choice is simple. Fresh Step Simply Unscented Advanced Cat Litter is a vet-recommended product that prevents bacterial odor growth on the litter. This proprietary litter blend is an Advanced formulation with more Ammonia Block Technology* for powerful odor control that lasts 15 days. It combines natural clay enhanced with odor-fighting carbon and Ammonia Block Technology for next-level odor control. Formulated with no added fragrances or dyes and strong enough for multi-cat homes, one box of this clumping cat litter lasts about one month per cat based on average purchase cycles and is compatible with most automated litter boxes.†

Available Sizes: 2 pack of 18.5 Lbs

Highlights

Prevents bacterial odor growth

Prevents Bacterial Odor Growth on the Litter

15 Day Odor Control Guaranteed

15-Day Odor Control Guaranteed‡

An illustration representing low-dust formula

Low-Dust Formula

An illustration representing unscented formula

Unscented

Simply Unscented Cat Litter

Fresh Step Simply Unscented Advanced Cat Litter prevents bacterial odor growth on the kitty litter.

15 Days of Odor Control

Strong enough even for multi-cat households, this Fresh Step Simply Unscented Advanced Cat Litter delivers 15 days of odor control.

Advanced Formulation

This proprietary litter blend is an Advanced formulation with more Ammonia Block Technology* for powerful odor control.

Vet Recommended

This unscented litter is formulated with no added dyes or fragrances, delivering strong odor control without compromising on quality.

Low-Dust Formula

This clumping cat litter is made with high-quality clay for tight clumps and easy clean up, all in a low-dust formula that makes for a pleasant experience for you and your cat.

Cat watching its person fill a box with litter

1 Fill

Fill your clean litter box with 3–4 inches of Fresh Step litter. Pour litter no more than a few inches from the box OR keep the carton close to the box when pouring litter.

A woman removing clumps of litter from a litter box while two cats look on

2 Remove

Litter quickly forms a clump around liquid waste. Remove clumps and solids daily, and dispose of in trash. Do not flush.

A cat paw scratching litter

3 Add

Add more Fresh Step clumping cat litter to refresh your litter box. Maintain level of litter at 3–4 inches.

Tough on odors. Easy on you.

Even your cat’s impressed: Fresh Step litter brings you the latest in odor control technology.

Compare your odor fighter 🐈

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A box of Fresh Step cat litter Simply Unscented

Fresh Step™

Simply Unscented Advanced

main feature

Prevents Bacterial Odor Growth on the Litter

odor control

15-Day Odor Control Guaranteed‡

third feature

Low-Dust Formula

Fresh Step Heavy Duty cat litter

Fresh Step™

Heavy Duty Odor Block

main feature

3X Odor-Eliminating Carbon*

odor control

30-Day Odor Control Guaranteed§

third feature

Fights Ammonia Odors Before They Start

A carton of Fresh Step Odor Shield with Hawaiian Aloha scent

Fresh Step™

Odor Shield with Hawaiian Aloha Scent

main feature

Odor-Eliminating Carbon

odor control

15-Day Odor Control Guaranteed†

third feature

Low-Dust Formula

Ever Fresh Advanced Scented Cat Litter

Fresh Step™

Ever Fresh Advanced

main feature

Ultra-Absorbent Microgranules Help Reduce Changeouts

odor control

21-Day Odor Control Guaranteed§

third feature

Tight, Surface-Level Clumps

A box of Fresh Step Simply Unscented cat litte

Fresh Step™

Simply Unscented

main feature

Prevents Bacterial Odor Growth on the Litter

odor control

15-Day Odor Control Guaranteed†

third feature

Low-Dust Formula

view all products

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Product FAQs

Simply Unscented ADVANCED is crafted for pet parents who want powerful odor control without added fragrances or dyes. Its advanced formula combines Ammonia Block Technology and odor-eliminating carbon to neutralize odors on contact, creating a cleaner, fresher litter box environment. Perfect for sensitive cats and scent-conscious households, it delivers performance without compromise.

Enjoy up to 15 days of guaranteed odor control, even in multi-cat homes. This premium blend of clay, carbon, and Ammonia Block Technology works around the clock to keep your litter box fresh, so you can spend less time worrying about smells and more time enjoying your cats.

Absolutely. This formula is designed for multi-cat strength, offering superior clumping and odor control to handle even the busiest litter boxes. Whether you have two cats or a whole furry crew, Simply Unscented ADVANCED keeps things clean and fresh.

Yes! Our high-quality clay locks in moisture and odor, forming tight, solid clumps that won’t crumble. That means quick, mess-free scooping and less time spent cleaning — because your time is better spent cuddling your cats.

The secret lies in odor-eliminating carbon and more Ammonia Block Technology,* which neutralize odors instantly at the source. This advanced approach delivers powerful freshness without perfumes or dyes, making it ideal for sensitive cats and pet parents who prefer a neutral litter box experience.

*vs. Fresh Step Simply Unscented.

Yes, it’s completely free from added fragrances and dyes. This makes it a great choice for cats with sensitivities and for households that prefer a clean, natural litter box environment without any added scent.

Simply Unscented ADVANCED comes in 18.5 lb and 22 lb sizes, plus convenient value packs for multi-cat homes. Stock up and enjoy long-lasting freshness without frequent trips to the store.

Yes! Its clumping formula and low-dust properties make it compatible with most automated litter boxes. To confirm compatibility please contact your automated litter box manufacturer before use.

Definitely. Our low-dust formula helps keep surfaces cleaner, while the clumping action reduces tracking — so your floors stay tidier and your cat’s paws stay comfortable.

Fill the box with 3–4 inches of litter, scoop daily, and refresh as needed. Regular maintenance ensures optimal odor control and a clean, inviting box your cat will love.

Yes! It’s gentle on paws and safe for cats of all ages. Just follow the recommended fill level and scooping guidelines to keep your kitten’s litter box fresh and comfortable.

Find it at major retailers like Walmart, Target, PetSmart, and online at Chewy or Amazon. Use our store locator on FreshStep.com to find the nearest retailer and stock up with ease.

Yes! It’s backed by our 15-day odor control guarantee or your money back. Check the package for details and enjoy peace of mind with every purchase.

We don’t recommend mixing, as it can reduce performance. For best results, stick with Simply Unscented ADVANCED to maintain consistent freshness and clumping power.

While not biodegradable, its long-lasting formula means fewer box changes and less waste, helping reduce your environmental footprint. Plus, its superior performance means you use less litter over time.