Frequently Asked Questions

Yes. ZenWhisker is drug-free and formulated with natural, cat-safe ingredients only. Safe for kittens from 8 weeks through to senior cats. Always consult your vet if your cat has a specific medical condition.

Most cats adjust within 15–30 minutes. Start with short supervised sessions and build up gradually. The breakaway clasp means they're never trapped. Within a day or two, most cats forget it's there entirely.

1. Put the collar around your cat's neck. Slip the end of the collar through the buckle and adjust it. 2.Adjust the collar so two fingers fit comfortably between it and your cat's neck — snug enough to stay in place, loose enough to be comfortable. You may also choose to leave about 2-3 inches for pet growth and extra adjustment. The breakaway clasp will release automatically if it ever gets caught on something. If you would like to further ease any worries, simply cut small notches into the breakaway clasp to further accentuate the breakaway feature. 3.Buckle in place and cut off the excessive length.

Each collar is designed for one cat. For multi-cat households, we recommend one collar per cat so every cat gets the full calming benefit — the 2 Box Bundle is built for exactly this.

Yes, fully waterproof. It keeps working through rain, bath time, and outdoor adventures without losing effectiveness.

ZenWhisker uses a natural three-signal formula: Maternal Appeasing Pheromone (MAP), Facial Pheromone F3, and natural Valerian Root Extract, with a trace amount (around 1%) of chamomile extract included for scent. No drugs, no sedatives, no lavender — just natural calming signals working together.

MAP is the natural signal a mother cat produces to reassure her kittens. Even adult cats respond to it instinctively — it's considered the deepest, most primal calming signal in feline biology, and it's the core of why ZenWhisker works on more than just mild stress.

F3 is the pheromone cats release when they rub their face against something familiar. It signals to your cat's brain that their environment is safe and already "marked" as theirs, helping reduce territorial stress and anxiety around new spaces.

Valerian Root is a natural plant extract long used to support relaxation. In ZenWhisker, it works alongside the two pheromone signals to promote calm without any drugs, sedation, or side effects. It's completely natural and safe for regular, ongoing use.

No. Most diffusers use a single pheromone (F3) and only work in the one room they're plugged into. ZenWhisker combines three natural signals in a collar worn directly by your cat, so it works everywhere they go — not just one room.

ZenWhisker contains no lavender. It does include a trace amount (around 1%) of chamomile extract, used only for its gentle natural scent — well below any level that would cause irritation, and safe for regular use. Our calming effect itself comes entirely from the natural pheromone signals and Valerian Root, not from the chamomile.

Most cats show reduced signs of anxiety within the first hour. For deeper behavioural changes — litter box habits, multi-cat dynamics, territorial marking — expect significant improvement within 2–5 days, with continued improvement over the first two weeks.

Diffusers stay in one room. Sprays wear off in hours. ZenWhisker is worn directly by your cat, activated by their own body heat, releasing calming signals continuously in every room, all day, for 30 days straight.

Single-pheromone products only address mild environmental stress. ZenWhisker's triple formula reaches deeper anxiety, aggression, and chronic stress that single signals can't touch. If you've tried one type and it failed, you haven't tried this type.

Each collar provides 30 days of continuous calming support. After 30 days, simply replace it with a fresh one to keep the effect going without interruption.

Orders ship within 1–2 business days. Delivery typically takes 3–6 business days within the UK, 5–8 business days for US orders and 7-10 business days for the rest of the world. You'll receive tracking information as soon as your order ships.

Yes — free tracked shipping on every order, no minimum spend required.

We currently ship to the UK, US, and select international markets. Enter your address at checkout to confirm delivery is available to your location.

Once your order ships, you'll receive an email with a tracking number and link. Please allow up to 24 hours after dispatch for tracking to update.

Please check with neighbours and your local courier depot first, as packages are occasionally marked delivered slightly early. If it still hasn't turned up within 48 hours, contact us at hello@getzenwhisker.com and we'll investigate right away.

If your order hasn't shipped yet, email us immediately at hello@getzenwhisker.com with your order number and correct address, and we'll do our best to update it before dispatch.

30-day money-back guarantee. No questions asked. Tell us it didn't work and we refund you in full. We carry all the risk because we're that confident in ZenWhisker.

Email us at hello@getzenwhisker.com with your order number within 30 days of purchase. We'll process your refund right away — no need to return the product.

No. Simply let us know it didn't work for your cat and we'll refund you — there's no need to return anything.