Pink tube of Boka Watermelon Mint Toothpaste on a white background
Boka Kids watermelon mint toothpaste tube with text about nano-hydroxyapatite on a light blue background.
Boka Kids Watermelon Mint Toothpaste tube surrounded by watermelon pieces on a green background
Boka Kids toothpaste tube with a rubber duck and towel on a tiled background
Pink tube of Boka Watermelon Mint Toothpaste on a white background
Boka Kids watermelon mint toothpaste tube with text about nano-hydroxyapatite on a light blue background.
Boka Kids Watermelon Mint Toothpaste tube surrounded by watermelon pieces on a green background
Boka Kids toothpaste tube with a rubber duck and towel on a tiled background

Boka Whitening n-Ha Toothpaste - Watermelon Mint

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Regular price $3995
Regular price Sale price $3995
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Meet Boka Whitening n-Ha Toothpaste in Watermelon Mint — a fluoride-free nano-hydroxyapatite toothpaste that pairs a fun, fruity flavour with a serious, science-backed formula. As one of Australia's most sought-after hydroxyapatite toothpaste options, it's made to gently whiten, care for sensitive teeth, and keep enamel strong with every brush.

At the heart of this whitening toothpaste is Nano-Hydroxyapatite (n-Ha) — the very mineral that makes up around 97% of your tooth enamel and 70% of your dentin. Rather than masking problems, n-Ha works with your teeth: it helps replenish lost minerals, supports the natural remineralising process, and smooths the enamel surface so your smile looks brighter and feels cleaner. It's the fluoride-free alternative a growing number of Australians are switching to.

Boka's formula is clean by design. This fluoride-free toothpaste is also SLS-free and free from parabens, artificial flavours and artificial colours — a genuinely natural toothpaste that's 100% biocompatible and dentist-recommended for everyday use. With no fluoride in the mix, it's gentle enough for the whole family.

If hot, cold, sweet or acidic foods make you wince, this is a toothpaste for sensitive teeth that doesn't compromise on results. The low-abrasion, soothing formula helps calm everyday sensitivity while still cleaning thoroughly — comfortable, refreshing care you'll actually look forward to.

Then there's the flavour. A juicy burst of watermelon balanced by a touch of cool, natural mint — a taste like summer in a tube that's vibrant, refreshing and genuinely fun to brush with. It's a watermelon toothpaste kids and adults will happily agree on.

Nano-Hydroxyapatite was originally developed by NASA to help astronauts rebuild bone and tooth density — and here it's paired with soothing aloe vera, bacteria-fighting xylitol, antioxidant-rich green tea and refreshing mint for all-round oral care. Add Boka Whitening n-Ha Toothpaste in Watermelon Mint to your routine for a cleaner, brighter, more confident smile
The Benefits.

  • Enhances Gum Health: Strengthens gums with the powerful effects of Nano Hydroxyapatite (n-Ha).
  • Repairs Enamel: Aids in the remineralization process, improving overall tooth enamel health.
  • Whitening Effect: Helps brighten teeth, giving you a radiant smile.
  • 100% Biocompatible: Free from fluoride, sulfates, parabens, and artificial flavors and colors, ensuring it is safe and non-toxic for daily use.
  • Gentle on Sensitive Teeth: Provides a soothing and refreshing experience without compromising on dental benefits.
  • Refreshing Flavor: Offers a vibrant and invigorating watermelon mint flavor, making brushing enjoyable.
  • Natural Ingredients: Includes aloe vera, xylitol, and green tea for added oral health benefits.
  • Safe to Swallow: Nano Hydroxyapatite (n-Ha) is safe to swallow, used by NASA astronauts for its restorative benefits.
  • Dentist Recommended: Trusted by dental professionals for effective oral care.
  • Elevates Oral Hygiene: Provides comprehensive care for a cleaner, healthier, and brighter smile.
How to use...

Apply a pea-sized amount to your brush (No need to wet the bristles) and brush for 2 minutes, 2 times per day. For best results, do not rinse after use. The paste is non-toxic in small quantities and more contact time with the enamel is ideal.
Ingredients

Water, Glycerin, Hydrated Silica, Sorbitol, Silica, Propylene Glycol, Hydroxyapatite, Sodium Benzoate, Xanthan Gum, Xylitol, Sodium Lauroyl Sarcosinate, Potassium Chloride, Dimethyl Sulfone, Flavor, Aloe Barbadensis Leaf Juice, Stevia Rebaudiana Extract, Sodium Bicarbonate, Menthol, Camellia Sinensis (Green Tea) Leaf Extract, Cucumis Sativus (Cucumber) Fruit Extract, Mangifera Indica (Mango) Fruit Extract, Persea Gratissima (Avocado) Fruit Extract, Phenoxyethanol
FAQ

â–¸ What does Boka Watermelon Mint taste like?
Sweet juicy watermelon balanced with a crisp mint finish. It's fruit-forward without being sugary — the watermelon sits on top, the mint provides the clean breath finish. Popular with anyone who finds traditional mint boring.

â–¸ Is it good for kids?
Yes — Boka Watermelon Mint is a big hit with older kids who don't like peppermint. Because it's fluoride-free, it's safe if small amounts are swallowed. Suitable from around age 3+ with supervision.

â–¸ Is Boka fluoride-free?
Yes. All Boka toothpastes use nano-hydroxyapatite (n-Ha) instead of fluoride to support enamel remineralisation. They're fluoride-free and SLS-free, with no artificial dyes or preservatives.

â–¸ Who makes Boka?
Boka is a US-based natural oral care brand that pioneered mainstream nano-hydroxyapatite toothpaste in the West. The brand is fluoride-free and SLS-free, with a focus on clean formulations and approachable flavours.

â–¸ Does it actually taste like watermelon?
Yes — unlike some 'fruit flavoured' toothpastes that taste artificial, Boka's flavour profile leans on natural extracts. The watermelon is bright and clear, balanced so it doesn't become cloying.

â–¸ How does it compare to Hismile watermelon?
Both are fluoride-free fruit-mint toothpastes. Boka adds nano-hydroxyapatite for enamel support, which Hismile's flavoured range doesn't have. If you want a fruity toothpaste that also actively supports enamel, Boka is the choice.
Delivery Information

We are committed to delivering your order to your doorstep in a timely and efficient manner, at a competitive shipping rate. If you have any questions or concerns, our customer service team is here to assist you. Simply reach out to us and we will be happy to help.

  • Free shipping Australia wide with purchases over $100

We deliver with Australia Post or Sendle.

Delivery times will depend on you location - all orders are shipped from HQ on the Gold Coast QLD, Australia.

  • Standard - Estimate 2 - 8 business days.
  • Express - Estimate 1 - 5 business days.

*Note: Delays may apply to WA and NT
Returns

At Toothpasteology, we prioritize your satisfaction and strive to deliver the ultimate online shopping experience. Our products we offer have been crafted with care and we are confident that you will love them as much as we do.

However, if for any reason you are not completely satisfied with your purchase, please reach out to us. Our customer service team is here to assist you and ensure your happiness is our top priority.

In the event that you wish to return a product, our returns policy is simple and straightforward:

â–ª Within 14 days of receiving the product, please contact our customer service team to initiate a return. You can reach us by clicking HERE.

â–ª The product must be unopened and in its original condition.

Once we receive and inspect the returned product, we will refund or exchange to the value of the original purchase price (less freight). If the product was faulty, damaged or incorrectly shipped, we will also refund the cost of initial shipping.

At Toothpasteology, we are committed to providing the best possible experience for our customers. If you have any questions or concerns, don't hesitate to reach out to us

Sale Products

Sale items, unfortunately are not eligible for return for change of mind, unless faulty.

Gift cards are also non-refundable. 

Our full Refund Policy can be found HERE
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