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White Smooth Floss Heads

Flexes and glides into snug spaces for a comfortable, effective clean.

Precio habitual
$19.99
Precio habitual
Precio de venta
$19.99

Designed for tight teeth, our Smooth floss flexes and glides effortlessly into snug spaces for a comfortable, effective clean. 

Reusable & long-lasting: Each floss head lasts ~1 week with daily use

Compatible: All floss heads fit all Slate flosser models

3-in-1 Design: Non-toxic woven floss, silicone gum brushes, and triple-row tongue scraper

Toxin-free: No PTFE, PFAS, waxes, or coatings

Color: White - Smooth Floss
Size - 3-Month Supply

Free US Shipping over $29 · Cancel Anytime · 30-Day Guarantee · HSA/FSA Eligible

Shipping and Returns

All orders are processed within 1–2 business days (excluding weekends and holidays) after you receive your order confirmation email.

  • Domestic orders arrive, on average, within 4-5 days of the order date. You can find your estimated delivery date at checkout
  • All domestic (US) orders over $29 (including recurring subscription refill orders) qualify for free economy shipping (USPS)
  • All domestic (US) orders under $29 (including recurring subscription refill orders) qualify for $4.99 economy shipping (USPS)
  • We offer international shipping to select regions. Select your country and enter the shipping address to see if shipping is available to your location

See our full shipping policy

We offer a 30‑day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, you must provide a receipt or proof of purchase. Floss head packages must be unopened to qualify for a refund.

Opened Floss Head packages are not eligible for return or refund.

See our full refund policy

Subscriptions

When you add an item to your cart with the “Subscribe & Save” option, you are creating a new subscription for that item and quantity. By doing so, you agree to receive recurring deliveries based on the product, frequency, and duration you select at checkout.

By placing a subscription order, you authorize us to securely store your payment method and charge it automatically for each recurring shipment. Upcoming order reminders are sent three days prior to each scheduled processing date via email and text message.

You may cancel your subscription at any time. If you request to cancel a subscription after an order has successfully been processed, we may not be able to cancel the processed order. Please reach out to support@slateflosser.com immediately for assistance. Shipments already in transit are not able to be modified, canceled, or refunded.

See the full subscription policy

The only extra dental tool you need

The World's Only 3-in-1 Floss Head

Every Slate floss head is three tools in one and is designed to be rinsed and reused for up to a week. That means less waste than disposable floss picks and an easier routine to stay stocked on.

Slate 3-in-1 floss head: woven floss, gum brushes, and tongue scraper

1 / 3

CHEMICAL-FREE WOVEN FLOSS

No PFAS, no PTFE, no wax. Just floss that's safe to reuse all week.

2 / 3

Tongue Scraper

Because a cleaner mouth is not just about your teeth. Slate’s built-in triple-row tongue scraper helps remove leftover bacteria and complete your routine in one tool.

3 / 3

Patented Gum Sweeps

The soft silicone gum brushes help massage and stimulate the gumline while sweeping away plaque and buildup. It’s one of the biggest reasons Slate feels different — and cleans more completely.

Three tools. One reusable floss head.

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Customers praise these floss heads for gliding easily between tight teeth and crowns without breaking. Many report improved gum health and cleaner teeth confirmed by dentists. "My mouth has never felt so clean" said one shopper. However, some customers note the floss can break quickly with very tight contacts, making replacements costly.

  • 5 stars: 160 (75%)
  • 4 stars: 16 (8%)
  • 3 stars: 19 (9%)
  • 2 stars: 9 (4%)
  • 1 star: 9 (4%)
Some of the reviews shown are from related products the merchant grouped with this one.
A
Anonymous (Bronxville, US)
Great New Product

Have been using for about 6 months and have a good result at my dentist check.

M
MG (Torrance, US)
Convenient, fresh, and hygienic refills

These flosser refills are super easy to snap on and off, making them convenient for daily use. They have a light minty taste that leaves your mouth feeling fresh without being overpowering.

I like that I can switch to a new one regularly—it just feels more hygienic. I personally replace mine about once a week since I floss after every meal, and they hold up well with frequent use.

I keep these on a subscription because they’re reliable, easy to use, and make flossing something I actually stay consistent with.

Thank you for taking the time to leave such a wonderful review for our Mint nHA Floss Heads. We are delighted to hear that you find them convenient, fresh, and hygienic. We strive to make our products easy to use and effective, and leave you with that 'just had a dental cleaning' feeling every day!

T
Tina B. (Nampa, US)
Love the mini-flosser!

This mini-flosser is easy for me to use and hold onto. I like the electric flosser, but find it a bit bulky. The mini makes my teeth feel cleaner than regular floss, I like the silicon edges to help with cleaning, and it will be great for travel. So glad I decided to get one!

Thank you for your kind review, Tina! We're glad that you're loving the Slate Mini flosser and Mint floss heads!

S
San (Miami, US)
Very good

Love it so much very easy to use

Thanks for your great feedback, San! Happy flossing!

A
Anonymous (Federal Way, US)
My favorite

My favorite. Not too thick of floss, NHA included, very lovely. Would recommend.

B
Brenda B. (Ramsgate, GB)
I love my Slate flosser

I love my Slate flosser. My oral hygiene has improved immeasurably since I've been using it. It's so much easier to use than other types of flossing tools. It's great to know there's no chemicals in the floss., and that it's not single use so better for the environment. I can't wait until Slate is main stream in the UK so it's easier to get floss heads

T
Theresa B.

I have been a loyal customer for 3+ years but the quality and durability of floss heads has decreased noticeably. In the last several months. Two unused floss heads in a row from a new package broke on me. I did a receive a quick response from the company and they immediately shipped replacements so I have updated my review and will give them another try.

J
Joseph C. (Telluride, US)
Excellent

This makes flossing much easier and I can feel the difference with my teeth being cleaner. Also, the built in tongue scraper is great. Excellent product.

A
Andrew B. (Coeur d'Alene, US)
Love it

I love my Slate Flosser!!!!!

J
Jackie A. (Invermere, CA)
Love my Slate Flosser! My teeth feel

Love my Slate Flosser! My teeth feel significantly cleaner. Thank you.

J
Jeannie G. (Greenwood, US)

Love it! 💗

J
Janice P. (Williamstown, US)
Fantastic product!

I visit my dentist 4 times a year for needed cleaning. Ever since I have been using Slate, my dental became have improved considerably. My gums no longer bleed, my teeth always feel cleaner (almost as good as the hygienist!) and my dentist too has noted a positive improvement at each visit. I highly recommend to all my friends, colleagues and now you my dear reader, you will be quite pleased. Slate Team, keep up the stellar work!

A
Anonymous (Portland, US)
Great Flosser!

It’s so easy to use and my teeth feel amazing when I’m done. I was worried because I don’t have much space between my teeth, but it’s comfortable to use and the floss doesn’t fray.

A
Angela B. (Columbia, US)
Excellent product and customer service!

I had used the Slate flosser for several months and loved it, but I have tight contacts between my teeth, and the floss was breaking. I discussed my concerns with customer service, and they went above and beyond on recommending the perfect solution. I will continue to tell others about this great flosser!

S
Sarah M. (Santa Clara, US)
The Best Ergonomic, Economical and Environmental Flosser Available

The Slate Flosser is the only flosser I can use consistently on a daily basis. I have the travel version and that works best for me. Manipulating the flosser between my teeth is very ergonomic because of the way it is designed. I have very good control using the handle and am able to turn the floss as I need. The replaceable flosser head lasts for several flossings so it becomes very economical in the long run. The best thing I like is that the flossing head is very tiny so not much plastic waste is produced when throwing away, unlike other flossers where you have to throw throw the whole plastic handle away each time. Kudos to Slate!

N
Nancy C. (Milton, US)
White Smooth Floss Heads

White Smooth Floss Heads work great for getting between my close together teeth. So far I haven't popped off any crowns, which is a huge relief to me and our budget! I have had other floss heads get stuck under a cap and it popped off. My husband also uses these floss heads on his travel flosser.

J
Jeff J. (Spokane, US)
I love my Slate flosser and the Blue nHA Floss

I love my Slate flosser and the Blue nHA Floss Heads!!! The Slate flosser is easy to use and helps keep my teeth and gums healthy!

E
Ed V.W. (Denver, US)
It works

Excellent customer service and a quality product.

A
Anonymous (Burlingame, US)
Broke after two days of use - the string broke -

Broke after two days of use - the string broke - never happened with the other ones I used for over a year. Quality control issue

F
Fishinfool (Gainesville, US)
My mouth has never felt so clean since I started

My mouth has never felt so clean since I started using my Slate Flosser. Light and easy to use. My wife also has one. We love them!

L
Lee (Sacramento, US)
Slate Cartridges are Durable

Before Slate, I was accustomed to using Reach brand floss cartridges which had a longer piece of floss. However, each cartridge would only last for a few days. After six weeks of using the Slate cartridges, I have been able to use each for 6-8 days without ever breaking.

Hi Lee, we're thrilled to hear that you're happy with the Slate floss head refills! Keep up the great work, and thanks so much for sharing your feedback with us.

A
Anne M. (Palmer, US)
I got this flosser for my daughter and son in law

I got this flosser for my daughter and son in law.. They both thought it worked better than anything they had tried before. Dental hygienist comments how clean their teeth and gums were! They would recommend this product to everyone.

Hi Anne, we're so happy to hear your family loves the Slate flosser and they're hearing great feedback at their dental cleanings already! Thanks for sharing this wonderful feedback. Wishing you all healthy, happy smiles!

P
Pamela M. (North Wales, US)
Works very well

Work very well. My gum disease is much reduced!!!

R
Robert H. (Barre, US)
Excellent Flosser!

For the first time I'm flossing daily and my dental hygienist at my last annual cleaning says my teeth have much improved because of it! Each flosser lasts about a week so it's very affordable. Great product. Even my dentist is impressed.

S
Sade (Phoenix, US)
I actually hate this product.

I don’t have the best dexterity for floss so I use floss picks. I was skeptical about Slate because it’s not the most sustainable option but I love my electric toothbrush so I invested. The floss heads are so flimsy. They pop out going in and out of teeth and the floss is so thin it snaps so you can’t even get full use. This is such a waste of money, I’m so aggravated.

S
Stacy

Nice

S
Stacy

Nice

N
Nancy C. (Georgetown, US)
White Smooth Floss Heads

I love the White Smooth Floss Heads. They glide easily between my close together teeth. My husband also likes them!

D
Dr. L.R. (Bellevue, US)
Love the Lilac + Travel Cover

I've converted my family to using these as well instead of traditional floss picks. Also picked up a lilac travel cover so I never have to be without my Slate flosser!