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Smilie
4.8/5 from 5,000+ reviews

What They Don't Want You to Know

The Truth About
Teeth Whitening.

Most whitening products only mask stains. They don't actually remove them. That's why a dentist developed one that does – with the same ingredients used in professional clinics, safe for home use.

Real Active Ingredients
Dentist Developed
Beauty Awards Winner
Smilie Boost Teeth Whitening Kit

SAVE $120

Just $3.30/treatment

Learn the Truth

As Seen In

As seen in New Idea, Lifehacker, Sunrise, Urban List, Now To Love, news.com.au, Elle, Pedestrian, Who, Body+Soul, 7News, BuzzFeed

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Treatments Completed

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Happy Customers

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Saw Results After 1st Use

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Dentists Behind the Formula

The Uncomfortable Truth

Why Most Whitening Products Don't Actually Work.

Walk down any chemist aisle and you'll find dozens of whitening products promising a brighter smile. But here's what they won't tell you: the vast majority don't contain the right active ingredients to actually remove stains. They just cover them up.

They mask, not remove

Most products use optical brighteners or surface-level abrasives that make teeth appear whiter temporarily – but the stains are still there underneath.

Wrong active ingredients

Many kits skip hydrogen peroxide entirely, or use concentrations so low they can't penetrate enamel to break down deep stains.

No desensitising agents

Products that do contain peroxide often skip Potassium Nitrate – the ingredient that prevents sensitivity – because it's expensive to include.

No clinical backing

Most whitening brands are developed by marketers, not dentists. There's no clinical oversight, no testing, and no accountability.

Smilie Teeth Whitening Kit with professional-grade ingredients

"I developed Smilie because I was tired of seeing patients hurt by products that don't work."

– Dr. Daniel Tankard, Dentist & Founder

Proof, Not Promises

This Is What Real Ingredients Do

When your whitening kit contains hydrogen peroxide (not sodium bicarbonate or charcoal), this is what happens. 1 million+ treatments completed.

Before and after teeth whitening results – visible improvement after just 6 days using dentist-grade hydrogen peroxide

1M+

Treatments completed

4-8

Shades whiter in 6 days

100K+

Happy customers

Real Customer Results

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Rated 4.8/5 from 5,000+ verified reviews

Simple, Not Complicated

16 Minutes to a Brighter Smile

No confusing routines. No daily commitment. Just three simple steps with ingredients that actually work.

01
30 seconds

Apply the Gel

Use the precision pen to apply our dentist-developed formula containing hydrogen peroxide and Potassium Nitrate. The same ingredients dentists trust – at a safe concentration for home use.

02
16 minutes

Activate the LED

Pop in the LED mouthpiece and relax for 16 minutes. The light accelerates the whitening process, helping the hydrogen peroxide penetrate enamel and break down deep stains – not just mask them.

03
Instant

See Real Results

Remove, rinse, and smile. 98% of customers see visible results after their very first treatment. Repeat daily for 7 days for maximum whitening – with zero sensitivity.

Total time per treatment: 16 minutes

Cost per treatment: $3.30

Why a Dentist Had to Step In

Meet the Dentist Who Fixed the Formula.

Dr. Daniel Tankard saw too many patients coming in with sensitivity from cheap whitening products – or disappointed because their kit didn't work at all. So he built one that does both: works and doesn't hurt.

Dr. Daniel Tankard in his dental clinic
Dr. Daniel Tankard

Dr. Daniel Tankard

Dentist & Founder, Smilie

Practising Dentist

Dr. Tankard treats patients daily and understands what works – and what doesn't – at the clinical level.

Formulated the Ingredients

He selected the same hydrogen peroxide used in professional clinics, at a concentration safe for home use, combined with Potassium Nitrate to prevent sensitivity.

70+ Dental Professionals

Smilie's formula was developed and tested alongside a network of over 70 Australian dental professionals.

1,000,000+ Treatments

The formula has been used in over one million treatments with a 98% satisfaction rate and minimal sensitivity reports.

The Ingredient Check

What's Actually In Your Whitening Kit?

Not all whitening products are created equal. Here's how Smilie's dentist-developed formula compares to what you'll find at the dentist's chair or on the supermarket shelf.

Smilie

$99

$$

In-Chair

$600+

?

Supermarket

$20-50

Hydrogen Peroxide (the only ingredient proven to remove deep stains)

Potassium Nitrate (prevents sensitivity during whitening)

Dentist-developed formula with clinical oversight

Safe concentration for at-home use

Actually penetrates enamel to break down stains

Results visible after first treatment

30-day money-back guarantee

Under $100

No dental appointment needed

Smilie is the only at-home kit that combines professional-grade hydrogen peroxide with Potassium Nitrate for sensitivity-free results.

Try the Dentist-Developed Kit – $99
Smilie Boost Kit contents – LED device, whitening pens, USB cable, shade guide

What You're Actually Getting

30 Professional Treatments. Real Ingredients.

Not a gimmick. Not a surface-level fix. A complete dentist-developed whitening system with the ingredients that actually remove stains.

LED Whitening Device

Accelerates the hydrogen peroxide to penetrate enamel and break down deep stains faster

3 Gel Whitening Pens

30 treatments of dentist-grade hydrogen peroxide + Potassium Nitrate (the sensitivity blocker most brands skip)

USB Charging Cable

Convenient charging – use anywhere, anytime

Shade Guide

Track your real results treatment by treatment – see the difference the right ingredients make

Just $3.30 per treatment – that's less than your morning coffee for a dentist-grade whitening session at home.

Don't Take Our Word For It

Loved by 100,000+ Australians

Results after first treatment

"I've tried strips, charcoal toothpaste, even a $50 pen from the chemist. Nothing worked. My friend told me it's because they don't have the right ingredients. She was right. Smilie actually has hydrogen peroxide – the real stuff – and I saw results after ONE treatment."

Sarah M.

Age 42 · Verified Buyer

Helpful

Real Conversations

What Customers Are Actually Saying

Real questions about ingredients, sensitivity, and results – answered honestly.

Discussion (4 comments)

Active
S
sarah_m3 days ago

I've tried so many whitening products and none of them worked. Strips, pens, charcoal toothpaste – nothing. I was honestly skeptical about this one too. But after reading about the actual ingredients and that a dentist developed it, I gave it a shot. First treatment and I could already see a difference. What even are other brands putting in their products?!

S
SmilieOFFICIAL3 days ago

Great question, Sarah! Most supermarket kits use optical brighteners or very low concentrations of peroxide that can't penetrate enamel to reach deep stains. Smilie uses the same hydrogen peroxide that dentists use in-chair, just at a safe concentration for home use. That's the difference – real ingredients that actually work.

M
michelle_t5 days ago

My biggest fear was sensitivity. I had a terrible experience with another brand – my teeth ached for days after. I almost didn't try Smilie because of it. But the Potassium Nitrate thing convinced me. Zero sensitivity after 5 treatments. I'm genuinely shocked.

S
SmilieOFFICIAL5 days ago

Michelle, this is exactly why Dr. Tankard insisted on including Potassium Nitrate in the formula. Most brands skip it because it's expensive, but it's the ingredient that makes sensitivity-free whitening possible. So happy you had a comfortable experience!

K
kate_l4 days ago

I spent $650 on in-chair whitening last year. It worked but the sensitivity was brutal and it faded within a few months. My friend recommended Smilie and honestly the results are comparable. For $99. I feel a bit silly for spending that much at the dentist now.

Your Questions, Answered Honestly

The Questions Everyone Asks

We believe in transparency. Here are honest answers to the most common concerns about teeth whitening.

Now You Know the Truth.
Try It Risk-Free.

Over 1,000,000 treatments. 100,000+ happy customers. Developed by a real dentist with real ingredients. And if it doesn't work for you, you get your money back. No questions asked.

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Smilie Boost Teeth Whitening Kit