“We’ll be the first to admit that we don’t always remember to floss—unless, of course, it’s with this innovative version. The fibers expand when they come in contact with saliva, which means the floss strands glide between your teeth easily and take more gunk out with them. The charcoal coating helps absorb stains and dirt (so much you can actually see it on the floss if you want to gross yourself out). The refillable packaging is just icing on the cake”
Clinically proven
BPA & Teflon-free
Cruelty-free
24/7 expert support
Refill plan: $5.00 replacement floss bobbin every 4 weeks, cancel anytime
You pay today:
$5.00
Watch it, shop it
See what people think and shop the faves.
Co-created with 1000s of hygienists & dentists
"I love the BURST floss for its color! The black helps my patients see the plaque removal and the expanding technology has more surface area to grab bacteria."
- Kim F., RDH & BURST Ambassador
Less gunk = better breath
Clinically tested and shown to remove up to 85% of plaque on surfaces toothbrushes can’t reach and 2x more plaque than a regular unwaxed dental floss.*
*In laboratory tests. Data on file. Download at burstoralcare.com/clinical.
See the results
Get the instant satisfaction of seeing exactly what’s been lurking between your teeth, motivating you to keep on flossing!
Refillable case for less waste
Reduce and reuse with our lightweight, compact, 95% recycled plastic case and 40-yard replacement bobbins.
The 8 Best Lip and Oral Care Products of 2021, according to Health Editors
Curious what people think?
Our BURST Ambassador Dental Professionals and customers know their stuff. You should listen to them.
Rated 4.8 out of 5 stars
4.8 Stars (1,665 Reviews)
“If you didn't like flossing before, you're going to love it now. The feeling of being able to see the nasty that you removed from this black floss isjust so satisfying. Never thought I' II be so excited to floss. Best stocking stuffer to put in every Christmas bag this season. Just reviewing this floss just made me want to eat and floss again.”
“Hands down (or fingers up) my favorite floss! I love that it is black and I can see all the little nasties coming out of my teeth and gums. l love that it is helping remove the stains from my teeth due to my coffee addiction. And it tastes AMAZing!”
“BURST floss is my favorite to date and I'll tell you why. The black color makes it so easy to SEE your progress!!! The aroma is fantastic with essential oils to help with gum health! lt's fine enough to reach all those hard to get to places also!!!”
Customers also bought
Total 5 star reviews: 1.5k Total 4 star reviews: 96 Total 3 star reviews: 33 Total 2 star reviews: 9 Total 1 star reviews: 22
96%would recommend these products
Slide 1 selected
1,665 reviews
- JLJanet L.Verified BuyerReviewed By: Customer3 days agoReviewed By: CustomerReviewingExpanding Floss 2 PackRated 5 out of 5 starsLove this floss
I use this floss daily, twice a day or as needed. The reusable container did not serve me well, but I may try again with that after giving you time to possibly improve it a bit.
Thanks for the great floss, great shopping experience, and speedy shipping.
- JBJessica B.Verified BuyerReviewed By: Customer6 days agoReviewed By: CustomerReviewingExpanding FlossRated 5 out of 5 starsAmazing
This is the best floss I've ever used. I love that it's nice and thick, and because it's black you can really see all the work it's doing. Minty flavor is lovely as well.
- BBeth1 week agoReviewingExpanding Floss 4 PackRated 5 out of 5 stars5 Stars
Love!!
- CClaudia1 week agoReviewingFloss RefillRated 5 out of 5 stars5 Stars
I love how it expands in between my teeth removing more plaque and food from in between my teeth. The color black makes it easy to see how much plaque it is removing.
- CNChelsea Nicole1 week agoReviewingBURST Expanding Dental Floss - Stain-Absorbing, Woven Tooth Floss with Xylitol Coating to Fight Cavities - Vegan, Paraben Free - Mint Eucalyptus Mouth Care Comfort Plastic OralRated 1 out of 5 stars1 Star
Too thick to glide between teeth.