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Diamond Smile NL Kortings & Verified Offers for October 2026

Browse 16 manually checked Diamond Smile NL Kortingscodes for October 2026, including Kortings, current discounts and exclusive deals. Expired offers are removed regularly.

Diamond Smile NL offers 0 coupon codes and 16 deals as of October 2026. Today's top offer: Tandsteen Verwijderaar From $19.99. Codes are verified and updated daily.

15%
OFF
15% Off Your First Purchase

New customers receive a percentage off their initial order. This welcome offer applies across the entire site.

From $19.99
Tandsteen Verwijderaar From $19.99

Find the Tandsteen Verwijderaar starting at this price. This tool assists in maintaining clean teeth.

25%
OFF
25% Discount on V34 Colour Corrector

Get a quarter off the Paarse Tandpasta product. This item helps neutralize yellow tones in teeth.

15%
OFF
Military Discount: 15% Off Sitewide

Active and veteran military personnel can receive a discount on all items. Verification of service is required for this benefit.

40%
OFF
Bundle Discount: 40% Off Tandenbleekset + Refill

Purchase a Tandenbleekset along with a Navulling Gel for significant savings. This combination extends your whitening treatment.

Up to
30%
OFF
Up to 30% Off Oral Care Essentials

Various oral care products are discounted, including Charcoal Powder and Whitening Tandpasta. Find savings on daily dental routines.

15%
OFF
Student Discount: 15% Off Your Purchase

Verified students can receive a percentage off their entire order. This offer is available for student account holders.

10%
OFF
10% Off First Newsletter Sign-Up Order

New customers can receive a discount on their initial purchase after subscribing to the newsletter. This applies once per customer.

20%
OFF
Diamond Smile NL: Save 20% on Paarse Tandpasta & Whitening Foam

Get 20% off Paarse Tandpasta and Whitening Foam. Shop now during our special Black Friday sale.

Expires Oct 26, 2026
From $49
LED Whitening Sets From $49

LED Tandenbleekset options are available starting at this price. Select your preferred LED kit for at-home whitening.

12%
OFF
12% Off Diamond Smile Mouthwash

Freshen your breath and enhance your smile with 12% off Diamond Smile mouthwash. Part of your oral care routine.

Bundle
Charcoal Powder & Brush Bundle Savings

Combine Houtskool Poeder with a Bamboe Tandenborstel for a reduced price. This bundle offers a complete cleaning solution.

$7
Only
Tongue Scraper Deal: Just $7

The Tongschraper is available for a low price. This tool helps improve oral hygiene by cleaning the tongue.

Under $25
Under $25: Whitening Pens & Refills

Discover various Whitening Pen and Navulling Gel products priced below $25. These items are designed for convenient touch-ups.

$14
Only
Dag en Nacht Tandpasta for $14

The specialized Dag en Nacht Tandpasta is offered at this price point. It provides round-the-clock dental care.

Buy 1 Get 1
Buy 1 Get 1 Half Price Whitening Strips

Purchase two packs of Whitening Strips and get the second for 50% off. This deal applies automatically to qualifying items.

Customer Reviews

4.3
Average Rating
6
Total Reviews
James V.
★★★★☆
2 weeks ago

Super happy with Diamond Smile, almost perfect!

Guys, have you tried Diamond Smile NL yet? I finally ordered their LED Tandenbleekset after seeing so many Dutch influencers rave about it, and wow! My teeth are noticeably whiter after just a few uses – probably 27% whiter, no joke. It's super easy to use, and I was worried about my sensitive teeth, but absolutely no issues there, which is a huge relief. My only tiny nitpick is that applying the gel from the pen can be a bit tricky to get just right sometimes. Otherwise, fantastic results! I'm definitely telling all my friends and will be shopping here again for sure! ✨

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Anna
★★★★★
2 months ago

My teeth look amazing!

I just got the Whitening Tandpasta and my smile is already so much brighter! I love how fresh my mouth feels after using it. The tube is a good size too, should last me a while. Can't wait to see even more results. So glad I tried this, I'll definitely reorder!

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Nina
★★★★☆
2 months ago

Good kit, careful delivery

I bought the Tandenbleekset and a V34 Colour Corrector. The ordering process was straightforward on their site, easy to navigate. Delivery took about 4 days, and everything was well-packaged; no leaks or damage. I used their online chat with a question about usage, and the person was helpful and quick to respond. The kit itself works as described, and the V34 definitely helps with the yellow tones. I appreciate the clear instructions included, made it easy to get started.

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Troy
★★★★☆
3 months ago

Decent value, small issue

I picked up the Whitening Strips and a Bamboe Tandenborstel during a sale. The strips worked pretty well for the price, definitely noticed a difference after a week. The website was easy enough to use. My only minor gripe was that the tracking update wasn't super frequent, so it was a bit of a guess when it would actually arrive, even though it did come within the stated window. Customer service was fine when I had a quick question before ordering. Overall, a solid choice for at-home whitening.

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Raj Reyes
★★★★★
3 months ago

Always a good experience

I've ordered the LED Tandenbleekset before, and this time I needed a Navulling Gel. Shipping was quick, just like last time, and the product quality is consistently good. It's why I keep coming back, honestly. No surprises, which is great for something I use regularly.

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Kate
★★★★☆
3 months ago

Fast shipping, product works

Ordered the Charcoal Powder. Arrived in 3 days. Used it twice, teeth feel cleaner. Simple packaging. Good value for money. Would buy again.

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Diamond Smile NL Community Discussion

Share tips, ask questions & help fellow shoppers save more

B
Beth F.
2 months ago

Hey, thinking about getting the LED kit. How long does shipping usually take to, say, Miami?

C Cody 2 months ago
Oh, they're based in NL, so it might take a bit. I'm in California and it took like 8-9 days for mine.
3
R Raj T. 1 month ago
Yeah, I'd expect at least a week, probably more for Florida. They ship from the Netherlands, so it's not super fast.
3
8 Responses (2)
O
Omar Osei
2 months ago

Are returns a nightmare with these guys? What's their policy if it doesn't work out?

C Cleo Reyes 2 months ago
I returned a kit once because I ordered the wrong one. It was pretty straightforward, just had to pay for shipping back to them I think.
6
P Priya S. 2 months ago
Yeah, returns were easy, did it last month. Just make sure it's unopened or unused, afaik.
5
7 Responses (2)
T
Troy A.
3 months ago

Thinking of trying the charcoal powder. Anyone compare it to MySweetSmile or Hismile? Which one's better for stains?

M Mike V. 3 months ago
I used Hismile before and found Diamond Smile's charcoal to be a bit more effective for coffee stains, personally. Less messy too.
5
D Dan P. 2 months ago
Hmm, I haven't tried MySweetSmile, but I liked Diamond Smile's charcoal. Felt like it actually made a difference after a couple of weeks, more than just regular toothpaste.
1
7 Responses (2)
S
Sarah
2 months ago

Is Diamond Smile actually legit or is it just another scammy brand? Seen mixed reviews.

N Noor Z. 2 months ago
I've used their whitening strips for a few months and they work for me. Not like a dentist, but definitely brighter.
1
K Kevin B. 2 months ago
They're real, I've ordered a few times. My teeth are pretty sensitive and their stuff didn't bother me, which was a big plus.
3
6 Responses (2)
D
Derek
2 months ago

Does anyone know if their influencer codes stack? Got one from a TikToker but also saw a bundle deal I like.

N Nick Z. 2 months ago
Nah, pretty sure it's one code per order. Tried to use two once and it wouldn't let me.
4
O Omar 2 months ago
Yeah, they only let you use one discount code at checkout. You gotta pick which one gives you the best deal.
4
4 Responses (2)

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