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TLDR Review: FELIWAY Optimum Pheromone Diffuser

By ShopSavvy Team

Published: February 27th, 2025

Pros

•Many users observed significant improvements in their cat's behavior, including reduced aggression, biting, and scratching.
•Positive changes were often noted within just a few days of use, with cats appearing happier and more confident.
•Combining use of the diffuser with vigorous playtime enhanced calming effects.
•Effective at calming previously aggressive cats, even in challenging environments such as new homes.
•Strongly recommended for pet owners moving with cats to help ease the transition.
•The product helped reduce conflicts between multiple cats in the household over time.

Cons

•Some users found the product ineffective, leading to increased aggression and anxiety in cats.
•Reports of the diffuser becoming very hot and emitting a burning smell, causing discomfort for users.
•Concerns about the product's consistency; effectiveness seemed to decline with recent batches.
•The diffuser needs frequent replacement as unwanted behaviors tend to resurface after about three weeks.
•A few users had success with alternative calming methods like interactive play and catnip instead of the diffuser.

Bottom Line

The FELIWAY Optimum Cat Calming Pheromone Diffuser seems to work wonders for many pet owners, drastically improving cat behavior and household harmony. However, there are mixed reviews about its effectiveness and consistency, with some users experiencing negative side effects. For those finding the diffuser too hot or ineffective, exploring alternative calming methods such as interactive play or other pheromone products might be beneficial.

Lowest at Amazon

$29.99 at Amazon

Lowest at any Popular Retailer

$24.30 at Petco.com

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 36 retailers to give you the short version.