10% Nano Hydroxyapatite Toothpaste, Remin+™ Formula, Fluoride-Free, SLS-Free, 4.5 oz

$9.99
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Fluoride free

How to use this one

You'll need to combine this toothpaste with your Nudge toothbrush. Hunker down for a couple of minutes (that's how you get that shine!). And for what it's worth, make an effort to brush in a circular motion from top to bottom.

Dosage

Splash your toothbrush with a pea-sized drop of toothpaste 30 minutes after finished eating.

What it's made of

FORMULA HIGHLIGHTS
Totally natural and fluoride-free. Contains a premium active ingredient and essential oils.

PACKAGE MATERIAL
Recyclable tube

INGREDIENTS
Orange:
Water, Calcium Carbonate, Silica (friction type), Glycerin, Nano Hydroxyapatite, Hydrated Silica, Xylitol, Natural Orange Flavor, Sodium Cocoyl Glutamaten, Vitamin E, Aloe Barbadensis, Limonene

Watermelon:
Water, Calcium Carbonate, Silica (friction type), Glycerin, Nano Hydroxyapatite, Hydrated Silica, Xylitol, Natural Watermelon Flavor, Sodium Cocoyl Glutamaten, Vitamin E, Aloe Barbadensis, Limonene

Natural Mint:
Water, Calcium Carbonate, Silica (friction type), Glycerin, Nano Hydroxyapatite, Hydrated Silica, Xylitol, Natural Peppermint Oil, Sodium Cocoyl Glutamaten, Vitamin E, Aloe Barbadensis, Limonene

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Remin+ with nano hydroxyapatite

10% Nano Hydroxyapatite

Rod shaped, biomimetic mineral that helps strengthen enamel, ease sensitivity, and polish teeth for a naturally healthy shine.

Everyday gentle Simple ingredients Family friendly
What nano hydroxyapatite does

Small mineral with big benefits

Reinforces enamel

Nano crystals attach to the surface and help rebuild early micro wear from daily life.

Eases sensitivity

Helps seal open pathways in dentin so teeth feel more comfortable during routine use.

Smooth, brighter look

Creates a smoother surface that lifts surface stains gently. No harsh grit.

Clean and simple

Minimal ingredients, no SLS, no added dyes or artificial flavors.

Who we are

Passion first. Business second.

We make toothpaste because we love it. Every batch, every improvement, every tweak starts with genuine curiosity and care, not spreadsheets. We are completely in the game.

Built in our own labs

We design, test, and iterate in-house. Controlling production lets us move faster, maintain quality, and constantly refine what works.

Small batches, always fresh

Every lot is made in limited runs, so what you use is new, never sitting in a warehouse for months.

We listen closely

Real feedback matters. We read every comment, learn from it, and adjust quickly, because our customers shape what we make next.

Adaptive by design

We can change formulas, textures, and flavors without delay. Our team and facilities are built for flexibility and improvement.

Fair pricing, honest intent

We keep margins realistic, ingredients premium, and decisions people first.

With you, risk free

If you do not love the feel, it is on us. We stand behind our work with a simple, friendly guarantee.

Trusted basics
Third party tested
Dentist reviewed
30 day risk free
Family friendly
Inside

What is in the tube

Every squeeze of Nudge carries 10% rod shaped nano hydroxyapatite plus a cast of supporting ingredients that all have a job. No fillers. No mystery extras. Just enamel science and very picky clean beauty energy.

Nudge ingredient

Water

The clean canvas
The quiet backbone of the formula. Water keeps the paste silky and helps nano hydroxyapatite, minerals, and botanicals move into every corner of your mouth so the good stuff does not just sit on the brush.
Purified for consistency and stability in every batch.
Nudge ingredient

Calcium carbonate

Micro mineral polisher
A fine, naturally occurring mineral that buffs away daily stain from coffee, tea, and curry without scratching enamel. Think of it as a very polite scrub that knows when to stop.
Calibrated for everyday use so your enamel barrier stays happy.
Nudge ingredient

Silica (friction type)

Targeted plaque hunter
Friction type silica gives directional cleaning power. It grips plaque and surface build up so the paste can lift it away while keeping the overall RDA in a gentle range that respects enamel.
Designed to feel incredibly clean without that over scrubbed sensation.
Nudge ingredient

Glycerin

Silky glide for your brush
Plant based glycerin wraps the formula in a smooth cushion so it spreads evenly across teeth and gums. It keeps the texture soft in the tube and comfortable during those long two minute brushes.
Helps the active ingredients coat every surface instead of clumping.
Hero 10% nHA
Nudge hero ingredient

10% rod shaped nano hydroxyapatite

Enamel level upgrade every time you brush
This is the star. Nano hydroxyapatite is the same mineral structure as natural tooth enamel. At a full 10% level and in a rod shaped form it can flow into microscopic enamel pores, support remineralization, and help smooth out tiny surface defects that make teeth feel sensitive. Over time that means a calmer, glassier, less reactive enamel surface without fluoride.
Rod shaped particles line up along the enamel surface for efficient coverage and high contact time during your daily brushing ritual.
Nudge ingredient

Hydrated silica

Texture and tone support
Hydrated silica works in the background to refine texture and gently lift surface dullness. It teams up with friction silica so your teeth look ready for close up but your enamel still feels like enamel, not chalk.
Used at levels that keep RDA in a comfortable daily range.
Nudge ingredient

Xylitol

Sweet in taste, not in plaque
Xylitol is a plant sourced sweetener that gives a clean, light sweetness without feeding acid producing bacteria the way sugar does. It helps support a friendlier oral pH and a fresher feel after you spit.
Loved by oral care nerds for the way it supports a less sticky mouth environment.
Nudge ingredient

Sodium Cocoyl Glutamaten

Cloud soft foam, SLS free
A mild cleanser made from coconut fatty acids and an amino acid. It lifts away debris and helps rinse out plaque without the harsh snap of old school SLS foam. You get a fine, creamy lather that feels gentle even if your mouth is already sensitive.
Chosen to keep the formula SLS free and friendly to gums and cheeks.
Nudge ingredient

Vitamin E

Tiny antioxidant bodyguard
Vitamin E brings antioxidant support to the party. While minerals focus on enamel, vitamin E adds extra care for the soft tissues that hold everything in place and helps keep the overall experience feeling calm.
Part of the soothing half of the formula, not the scrubbing half.
Nudge ingredient

Aloe barbadensis

Green room for your gums
Aloe leaf juice has a long history of being kind to skin. In toothpaste it adds a soft, cooling comfort to gums and inner cheeks, so the mechanical action of brushing feels balanced with a more nurturing touch.
Works with vitamin E and our low irritation cleanser system.
Nudge ingredient

Limonene

Sparkling citrus top note
Limonene is a citrus derived aromatic that brightens the flavor. It gives the mint profile a clean, sparkling edge so your mouth feels refreshed, not overwhelmed, when you are done brushing.
Naturally present in many citrus oils and called out here for full transparency.
Swipe or scroll sideways to meet every ingredient
Formula highlights
Fluoride free 10% nano hydroxyapatite SLS free cleanser base Essential oil flavor
Package material
Recyclable tube
Ingredients by flavor
Orange

Water, Calcium Carbonate, Silica (friction type), Glycerin, 10% Nano Hydroxyapatite, Hydrated Silica, Xylitol, Natural Orange Flavor, Sodium Cocoyl Glutamaten, Vitamin E, Aloe Barbadensis, Limonene.

Watermelon

Water, Calcium Carbonate, Silica (friction type), Glycerin, 10% Nano Hydroxyapatite, Hydrated Silica, Xylitol, Natural Watermelon Flavor, Sodium Cocoyl Glutamaten, Vitamin E, Aloe Barbadensis, Limonene.

Natural Mint

Water, Calcium Carbonate, Silica (friction type), Glycerin, 10% Nano Hydroxyapatite, Hydrated Silica, Xylitol, Natural Peppermint Oil, Sodium Cocoyl Glutamaten, Vitamin E, Aloe Barbadensis, Limonene.

Why switch

The Nudge difference

Repairs enamel

10% nano hydroxyapatite supports remineralization and everyday comfort.

Gentle whitening

Smooths the surface and lifts stains without harsh grit.

Clean feel

SLS free and low foam base for a simple routine.

Minimal formula

No fluoride. No artificial colors or flavors.

Backed by research

Peer reviewed references

Independent research on hydroxyapatite reports enamel remineralization, sensitivity relief, and cosmetic brightening.

Remineralization

Review of initial enamel lesion repair.

Pepla 2014
Sensitivity

Randomized trial reports reductions over eight weeks.

Amaechi 2021
Caries outcomes

Fluoride free hydroxyapatite was non inferior for new cavities at 18 months.

Paszynska 2023
Whitening

Reports of visible brightening and stain removal.

Shang 2022Limeback 2023
Compare

Nudge vs typical whitening paste

FeatureNudgeTypical
10% nano hydroxyapatiteNo
Whitening without harsh gritOften abrasive
SLS free and gentle feelSLS common
Fluoride free optionUsually fluoride based
Suitable for sensitive teethMixed
FAQ

Questions

Testing & safety
Are you third party tested?
Yes. Each batch is tested by independent labs for identity, heavy metals including lead, arsenic, mercury and cadmium, micro limits, and stability.
Is nano hydroxyapatite safe for daily use?
The European Union Scientific Committee on Consumer Safety concluded that nano hydroxyapatite is safe in toothpaste within specified limits. Our formula uses 10%, which is within those limits.
Fluoride
Do you contain fluoride?
Nudge Toothpaste is fluoride free. In the United States only fluoride actives are recognized under the FDA anticaries monograph for cavity prevention claims.
Compatibility
Can I use it with a fluoride rinse or paste?
Yes. Hydroxyapatite and fluoride can complement each other in remineralization. You can alternate or pair them. For personal guidance ask your dentist.
Results
Does it help with sensitivity?
Clinical trials have reported reductions in dentin hypersensitivity over about eight weeks with toothpaste that contains 10% to 15% nano hydroxyapatite.
Will it whiten my teeth?
Studies report that hydroxyapatite can smooth enamel and lift surface stains, which can improve brightness. Results vary based on diet and brushing habits.
For kids
Is it suitable for kids?
Yes, with supervised brushing. Use a pea size amount and encourage spitting. Hydroxyapatite is biocompatible and has been studied in pediatric settings.
Abrasivity
How abrasive is it?
We formulate for daily use without harsh grit. The ADA notes that dentifrices with a Relative Dentin Abrasivity of 250 or less are acceptable for everyday use. Contact support if you want the exact RDA for your lot.
Add to cart

30 day risk free

Third-party tested for lead Free from harmful toxins Safe for the whole family EU-compliant + US lab tested Free from fluoride, SLS, and artificial dyes
Third-party tested for lead Free from harmful toxins Safe for the whole family EU-compliant + US lab tested Free from fluoride, SLS, and artificial dyes
Third-party tested for lead Free from harmful toxins Safe for the whole family EU-compliant + US lab tested Free from fluoride, SLS, and artificial dyes
Inside Nudge
Deep dives on ingredients, testing, and the story behind how we build toothpaste for people who actually care.
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Disclaimer: Nano-hydroxyapatite may support oral health, but results vary and this product is not intended to diagnose, treat, cure, or prevent disease.