calming products
Feliway Classic Starter Kit Plug-In Diffuser and Refill 48ml
What should you know before buying Feliway Classic Starter Kit Plug-In Diffuser and Refill 48ml?
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By Amelia Keller · Senior Editor
Published May 13, 2026 · Last reviewed May 13, 2026
Feliway Classic — The Evidence Behind Synthetic Cat Pheromones
Feliway mimics the F3 facial pheromone cats deposit when they rub their face on objects — a marking behavior associated with territorial security. The active compound, synthetic cheek pheromone, has been studied in peer-reviewed settings with generally positive results for reducing urine marking and hiding behavior.
What it works well for
- Hiding and social withdrawal in senior cats adjusting to household changes
- Urine marking (different from incontinence — if your senior cat is losing bladder control, this isn’t the fix)
- Multi-cat tension when a new pet is introduced
Coverage and placement
One diffuser covers approximately 700 sq ft. For a multi-story home, use one per floor. Position near where the anxious cat spends most of its time — not in a hallway or high-traffic area where it will diffuse before the cat encounters it.
Realistic expectations
Feliway works in about 65–70% of cases based on published studies. It is not sedative and creates no dependency. Give it 4 weeks before assessing effectiveness.
Reviewed by Amelia Keller . Last checked: 5/13/2026. Prices and availability change. We earn a commission on qualifying purchases. How we research →
