Getting to Know: Cat and Chrystle Cu of Cocofloss!

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unnamed-6Cocofloss is a product created by the sister duo, Cat Cu and Chrystle Cu. Cocofloss is a fun (and highly effective!) floss that is bridging the gap between a socially perceived arduous task, and a walk on the beach. Their vision imagines a future where everyone can keep their teeth for the entirety of their lives! Their reach is on the global scale, helping those at home develop good preventative oral hygiene habits, as well as those outside our borders, who may not have access to the tools and education needed to maintain a healthy smile. The truth of the matter is, flossing is not exactly exciting stuff… until NOW!

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Who are the imaginary minds behind Cocofloss? 

I’m Cat, and I started Cocofloss with my sister, Dr. Chrystle Cu! My sister is a tooth geek, philanthropist, and preventative dentist who graduated from Wellesley College and the Arthur A. Dugoni School of Dentistry. I’m an entrepreneur, yoga-addict, and art-lover. I studied engineering at Stanford and worked in finance, art, and tech before joining forces with Chrystle to start Cocofloss.

What was the inspiration behind creating Cocofloss?

Chrystle is very prevention oriented – she’s that dentist who spends an hour educating each patient about their teeth and gums –  and Cocofloss embodies her dream to make taking care of your smile more effective and fun. Chrystle’s dream is for everyone to be able to keep their teeth for life.

I love how Cocofloss is geared towards making flossing a fun experience! What are some of your favorite aspects of the product?

I love the Caribbean-blue floss color. It evokes freshness and blue oceans full of possibility. And of course, it’s functional! Folks can see their progress flossing as plaque contrasts against the blue threads.

Which one is your favorite flavor? Are there any limited editions to try?

Watermelon! Just launched this summer as a limited run.

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What are ways that Cocofloss can incentivize people to develop good flossing habits?

Cocofloss delivers a flossing experience that’s both rewarding and fun!

When I ask a lot of young patients if they have been flossing, their main excuse is, “We ran out of floss in the house”. Tell us more about your 6 month floss plan!

Would you floss tonight if you knew more floss would be arriving tomorrow? Customer behavior suggests so!

If you guys have ONE piece of pro tip for people who can’t get into flossing, what would it be?

Flossing is an acquired taste. Floss daily for 21 days (the number of days it takes to create a habit) with Cocofloss and soon enough you’ll begin to crave it.

Would you care to share some of your favorite flossophies? 

Our flossophy:

Bliss is a life lived in balance – take an adventure and enjoy the familiarity of home, take something and give back something, set big dreams for the future and enjoy improvisation also, eat your cake and don’t forget to floss too!

I notice that you guys love to travel, just like me! I think it’s especially important that you’ve linked travel with having floss with you, all the time, when you’re on the go. Any tips on how to remember to floss during times when we are busiest and most on the go?

Keep floss in your bag so that you can floss whenever you feel like it and don’t be embarrassed to floss on-the-go! I’m often that awkward human flossing in public or on-the-go.

How is Cocofloss making an impact on a global scale?

We’d like to inspire folks to keep their teeth for life around all corners of the globe. To name a few, we’ve donated Cocofloss to communities in the Caribbean, the Philippines, and Mexico. The worldwide floss party is just getting started.

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I was born in the Philippines, so I share a connection with your mission. I, myself, personally returned home to Manila to give free dental care for a week. Can you share any insight as to how your experience was?

Chrystle:

The global tooth decay epidemic is so painfully real. What people need most is prevention and nutrition education. Unfortunately, sugar is used as a universal rewards across all cultures. We need to shift the way people think about rewards, and instead educate and reward with preventive tools like Cocofloss.

More on Philippines mission trip here (happy to discuss more also): https://cocofloss.com/blogs/cocofloss-life/a-note-to-the-kids-in-bohol-philippines

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How do you envision making preventative dental care attainable to all groups of people?

We’re using the internet and social media as vehicles for prevention education. Our Cocofloss website has free education for all, and we’re on a mission to make flossing something everyone looks forward to daily.

Where will Cocofloss go next?  

We have big plans to help folks find their smile wherever they go. Stay tuned!


A sincere thank you to Cat and Chrystle, who took the time to talk about what Cocofloss has to offer. If you’d like to read more about my personal experience with Cocofloss, check out my review here!

Cocofloss: Join the Party!

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Much to the bereavement of all of society, flossing is absolutely necessary and cannot be replaced by things such as water-flossers or, say, prayers. All at once now, *collective sigh*. I get it. But there is a new hero in town, one that’s got me (and soon enough, you, too) cheering. I would like to introduce you to a new best friend and awesome travel partner, Cocofloss!

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It would be difficult to argue against the fact that  the hardest part about flossing is the motivation to actually do it. Cocofloss is a creative solution to making flossing (dare we say it?) an inspiring act looked forward to by all. Imagined and brought to life by two sisters, Chrystle and Cat, Cocofloss is all the right sorts of trendy. Chrystle is a dentist and is a flossing-pro. Cat is an artist and a bit more lazier on the flossing front. But together, they make a dynamic duo, saving the world, one tooth at a time.

Cocofloss is not just string in a box. It’s an experience, and I challenge you not to become completely enamored and transformed into a flossing fanatic once you’ve tried it out. Does it sound like I’m a crazed dentist? Maybe a little. I still dare you to try it! Scented with different fruity aromas, flossing transports you elsewhere. A sandy beach at the Caribbean, perhaps? The four standard flavors include Fresh Coconut, Cara Cara Orange, Pure Strawberries, and Delicious Mint. Currently, there is the seasonal Summer Watermelon flavor for post-BBQ hangouts. Once you open the box, delicious scents waft to your nose. Try not to get addicted!

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Now it isn’t just all fun and games. There’s lot to love on the dental front too. Firstly, the string is blue. That isn’t just to make it engaging to look at. The blue string actually makes the plaque that you remove visible. There is a sort of satisfaction in seeing the plaque that you are actively prohibiting from staying in your mouth. Crazed dentist, indeed! Take THAT, plaque!

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Advertised as a loofah for your smile, there is another feature that I absolutely love. The floss is made of multiple, soft, polyester filaments and is coated in vegan wax. The waxy material is easy to glide in between tight contacts. Once you pass the floss through the contact, the fibers seem to spread. In other words, they poof out ever so slightly, filling that gap underneath the contact and covering more surface area while massaging the gums. At the same time, the fibers are very gentle which protects the gums from trauma. Plus, we all know there is strength in numbers! The fibers are even strong enough to remove chunks of calculus and tartar! Off course, there’s a technique for that. For the non-queasy, here’s a video. Viewer discretion advised.

Also, remember how you floss vigorously before your six-month cleaning because you suddenly remembered that flossing was important? Don’t you deny it! Heaven forbid the dentist ever notice. As much as I love holding you accountable for flossing, Cocofloss can do that for you too. Each container has an indicator for how long the floss should last you. The regular packages are a two month’s supply. Once two months are up, you should be finished with your flossing container. If the indicator is not motivation enough, sign up for the six month plan on their website to make sure you are on track between dental visits. Under the six month plan, Cocofloss will ship you a new flavor of your choice every two months, for a total of three flavors, over the course of six months. If you receive your new Cocofloss before you have finished the old one, then maybe that’s an indication that you’ve skipped a day or two (or three or four).

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Lastly, the floss is infused with coconut oil. Which I think is a cool concept, especially considering all the rave about the benefits of oil pulling. However, I would not necessarily say that the coconut oil does much of anything, considering the amount of time it’s in contact with the teeth. Remember that oil pulling requires you to swish coconut oil around your mouth for 20 – 30 minutes! You only floss for a few minutes. The floss itself does a majority of the heavy lifting, but if coconut oil grooves with you, and it gets you to floss, then there you go!

Two things worth noting that could be improved. The floss is housed in a plastic container, although I would like to note that it is advertised as vegan, animal cruelty-free, and is a completely recyclable product. But still, more plastic being circulated around the world. I’m as crazy about plastic packaging as I am about teeth (maybe even more) so for that, I apologize. And secondly, it does come at a bit higher price than other floss. You can find these babies at $8 a piece, although if you buy a package of 3 or more, you will receive a discount. Regardless, if it is the only thing that’ll get you to want to floss every day, I say it’s worth it. Preventative care is the number one most important thing for oral health, and the fact exists that, for most people, flossing just ain’t fun. Cocofloss tries to bridge that gap. We need to make preventative oral health care cool, just like we made smoking cigarettes uncool. Consider it a changing of times, if you will.

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If you’d like to give Cocofloss a try, ordering is easy! This product lines the shelves of Sephora, Nordstrom, and Urban Outfitters, but you can also order here, from the comforts of your home. I have personally tried all five flavors, and I’ve got to tell you that Pure Strawberries is my absolute favorite. Reminds me of farmers markets and strawberry shortcakes! I recommend this product to all my patients, especially kids and younger teens who have yet to develop a flossing habit. Challenge them (or yourself) to floss for 21 days straight (the number of days it takes to form a habit). Let’s introduce a new flossophy to younger generations by teaching them that flossing is actually cool.

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