At the heart of our oral care portfolio are two innovative ingredients, each designed to meet specific formulation needs: nanoXIM•CarePaste and nanoXIM•CarePowder. Whether you're creating a toothpaste, tablet, or something entirely new, choosing the right format can make or break your formulation.

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nanoXIM.CarePaste – Aqueous Suspension for Water-Based Formulas

nanoXIM•CarePaste is an aqueous suspension containing 15.5% nano-hydroxyapatite particles in the form of rod-shaped nano-particles. These nano-rods typically measure 30 nm in length and 15 nm in width, making them ideal for deep enamel penetration and effective remineralization.

This ingredient is perfect for water-based oral care products like:

• Toothpastes
• Mouthwashes
• Tooth Gels

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Formulating with nanoXIM•CarePaste couldn’t be easier. Simply adjust the water content in your base formulation and replace it with the appropriate amount of nanoXIM•CarePaste. It integrates easily into standard industrial processes without the need for specialized equipment.

In mouthwashes, typically the solution will not be completely transparent, and it might be difficult to keep the nanoparticles suspended without any settling over time. To cope with this feature, it is normally recommended to use opaque bottles and include instructions to shake before use to ensure that the nano-hydroxyapatite is fully resuspended and homogenously dispersed.

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Another interesting application can be the coating of dental floss, providing a unique benefit: not only can it clean the interdental spaces, but it can also help deliver the nano-hydroxyapatite to hard-to-reach areas between the teeth, depositing it in places where a toothbrush or regular toothpaste might not easily reach.

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nanoXIM•CarePowder – Dry Powder for Water-Free and Solid Formulations

nanoXIM•CarePowder is a dry powder composed of spherical hydroxyapatite microparticles with an average size of 1.1 microns, and over 90% of particles smaller than 2.5 microns. It's the ideal choice for formulations that can’t accommodate water-based ingredients, such as:

• Tooth powders
• Toothpaste tablets

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When it comes to other innovative applications — like dental varnishes, chewing gums, or even next-generation oral care formats — both nanoXIM•CarePaste and nanoXIM•CarePowder can be easily integrated. The key lies in selecting the right formulation to match your product’s purpose and performance goals.

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Since the hydroxyapatite particle sizes in our products are much smaller than conventional micro-hydroxyapatite, as explained in this article, both nanoXIM•CarePaste and nanoXIM•CarePowder are effective for enamel remineralization and dentin tubule occlusion.

These effects are noticeable even using a much smaller fraction of typical incorporations of conventional micro-hydroxyapatite, turning these ingredients into much more cost-effective alternatives, and leaving room in your formulation for other ingredients you might want to add.

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Conclusion

When it comes to hydroxyapatite-based oral care innovation, choosing the right format is crucial. Go with nanoXIM•CarePaste for conventional water-based products, and turn to nanoXIM•CarePowder for dry formulations. Both deliver clinically backed remineralization benefits tailored to your product’s unique format.

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If you’re formulating your next breakthrough oral care product, we’re here to help you choose the best nanoXIM solution to make the most out of your product.

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Ready to find the perfect nanoXIM ingredient for your next formulation? Get in touch at nanoxim@fluidinova.com — we’d love to support your innovation.

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