How ReNu Cleans


ReNu cleansing mist with dog is a waterless grooming setup made to clean, freshen, and de-shed your pet in under 10 minutes. No tub, no rinse-off, no bath-time struggle. Here is the process.

The simple 3-step routine

Step 1 - Release the cooling mist

Add water and FreshFur Cleansing Mist to the brush reservoir. With one press, it releases a fine, cooling mist that gently dampens your pet's coat. The mist feels mild enough that most pets do not respond to it like they would a spray bottle.

Step 2 - Brush to clean and deodorize

Dog being brushed with ReNuAs you brush, the flexible silicone bristles move the mist through the coat. It works in two ways at once: lifting dirt and dander from the skin while neutralizing odor at the source instead of simply covering it. View the full ingredient guide to see why the formula works this way.

Step 3 - Remove the loose fur

Push the brush button to release collected hair straight into the trash. The coat dries naturally in just minutes. No towels, no rinse, no wet-dog smell.

Why it stands apart from other brushes

ReNu comparison chart

Most no-rinse brushes sold online are plastic combs with a spray bottle added on. They are cheaply made, filled with watered-down formulas, and often include ingredients that can bother skin or dry the coat.

ReNu is a vet-formulated grooming system, not a generic dropship item. A few details make it different:

  • Quiet operation — no loud motor that sends pets hiding
  • Soft medical-grade silicone bristles — flexible enough for sensitive spots
  • pH-balanced cleansing mist — will not strip natural coat oils
  • One-click fur release — cleanup takes only seconds
  • Safe for sensitive skin and every coat type

Explore the research behind our formula on our science page.

Can it replace regular baths?

For everyday cleaning, yes. The pH-balanced formula lifts dirt and neutralizes odor without removing the natural oils from your pet's coat. Many customers find they need traditional baths much less often after switching - read their stories on our Reviews page.

For seriously messy situations (your dog rolled in something truly awful), you will still want a traditional bath sometimes. ReNu is made for daily upkeep, not emergencies.

Who it works best for

ReNu gentle bristle technology

ReNu is made for:

  • Anxious pets who panic near water and regular baths
  • Senior pets who should not be lifted into a tub
  • Cats, who usually treat baths as a personal insult
  • Pets with allergies or sensitive skin
  • Heavy shedders, especially double-coated breeds
  • Pet parents who are done with the weekly bath-time battle

Wondering if it is right for your specific pet? Visit our FAQ or contact our team - we will help you decide before you buy.

Our 90-day promise

Try ReNu risk-free for 90 days. If it does not make grooming faster, easier, and less stressful, we will refund your order. No questions asked. Read the complete Refund Policy.

Ready to start with ReNu?

Shop the FreshFur Shower Brush or browse our best sellers. Every order is protected by our 90-day money-back guarantee.