Clinically Formulated for Whiter Teeth & Fresh Breath
Flattera Whitening Mouthwash
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This product sold out 12 times last year. We encourage you to take advantage of the limited sale and buy now. Subscribing protects you against future stockouts. PS: Only available here, don't buy fakes on Amazon/eBay.
"This mouthwash genuinely surprised me. After two weeks of consistent use, my teeth were noticeably brighter and my breath stayed fresh for hours. It's one of the few whitening products I've recommended that's also alcohol-free."
Why Flattera Works
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🎁 Flattera Whitening Mouthwash (100% off)
See Real Results
From stained to stunning in just 14 days. See why thousands switch to Flattera.
Why choose Flattera
Why choose Flattera
Clinically Inspired Formula
Powered with hydrogen peroxide to target stains and buildup.
Fresh Breath That Lasts
Infused with menthol for a long-lasting clean feeling.
Gentle Yet Effective
Alcohol-free formula that protects gums while whitening teeth.
Whiter Teeth in 30-Days
Start your day with calm, focused energy. Rich in antioxidants and L-theanine, matcha helps you stay clear-minded and energized without the crash of coffee.
Fresh breath from day one. Surface stains begin to lift with consistent twice-daily use.
Teeth appear cleaner and brighter. Friends might notice before you do.
Deeper stains continue to fade. Enamel feels smoother and healthier.
Lasting Results
Visibly whiter smile, long-lasting fresh breath, and a routine you'll actually stick to.
The power of Flattera
Unlike generic mouthwashes loaded with alcohol and artificial chemicals, Stain is formulated to actually whiten your teeth and eliminate bad breath — not just mask it. The results speak for themselves.
The power of Flattera
Unlike generic mouthwashes loaded with alcohol and artificial chemicals, Stain is formulated to actually whiten your teeth and eliminate bad breath — not just mask it. The results speak for themselves.
More Whitening Power
Hydroxyapatite works 3x harder on surface stains compared to standard whitening rinses — without damaging your enamel.
Bad Breath Eliminated
Our formula targets odour-causing bacteria at the source — not just covering it up with flavouring.
Zero Alcohol
No burn, no irritation, no dry mouth. Safe for daily use and gentle on sensitive teeth and gums.
* Based on internal studies and customer feedback surveys.
'Bought 3 more'
My teeth are actually whiter
I was skeptical at first but after 2 weeks of using this every morning and night, I can genuinely see a difference. My coffee stains are way less noticeable and my breath stays fresh all day.
Finally an alcohol free one that works
Every other whitening mouthwash I've tried burns my mouth. This one is so gentle and it actually whitens. I've been using it for 3 weeks and I've already gotten compliments on my smile.
Bought 3 more bottles
On my second bottle and just ordered 3 more. My teeth look brighter, my breath is consistently fresh, and I love that there's no alcohol. This is now a permanent part of my routine.
Outstanding Quality
I've been shopping with this brand for over a year now and the quality never disappoints. Every purchase has exceeded my expectations and their customer service is exceptional.
Worth every penny
I was about to spend $200 on whitening trays at the dentist. Tried this first and honestly don't need to anymore. Noticeably whiter in about 10 days.
Great for sensitive teeth
I have really sensitive teeth so most whitening products are off limits for me. This doesn't cause any sensitivity at all and my teeth have gotten so much brighter. Obsessed.
Replaced my old mouthwash completely
I used Listerine for years and switched to this. Not only do I get the fresh breath but now I'm actually whitening at the same time. Simple switch, big difference.
Your Questions Answered
Everything you need to know about Flattera.
Yes, Flattera is alcohol-free, enamel-safe, and formulated for twice-daily use. Gentle enough for sensitive teeth and gums.
Most customers notice fresher breath from day one and visible whitening within 7–14 days of consistent use.
We accept all major credit cards, PayPal, Apple Pay, and Google Pay.
Pour 10–15ml, swish for 60 seconds, then spit. Don't rinse with water after — let the formula work. Use morning and night.
Yes, Stain is safe for use with braces, veneers, and dental work. If unsure, consult your dentist.
Orders ship within 1–2 business days. Delivery typically takes 10-12 days. Free shipping on all orders!
Most customers notice fresher breath from day one and visible whitening within 7–14 days of consistent use.
Pour 10–15ml, swish for 60 seconds, then spit. Don't rinse with water after — let the formula work. Use morning and night.
Orders ship within 1–2 business days. Delivery typically takes 10-12 days. Free shipping on all orders!
Love Your Smile, Guaranteed
We stand behind every bottle of Stain. If you're not seeing results or happy with your purchase for any reason, reach out to us within 30 days and we'll make it right.
GET FLATTERA TODAY!Love Your Smile, Guaranteed
We stand behind every bottle of Stain. If you're not seeing results or happy with your purchase for any reason, reach out to us within 30 days and we'll make it right.
GET FLATTERA TODAY!