- Premium-grade nano-hydroxyapatite (nHAp) at 10%, sourced from the world's leading producers.
- Formulated by a dentist with more than twenty years of experience.
- We use Xylitol in every formula because the acid-producing bacteria in plaque can't ferment it.
- Fluoride options for people at high risk of cavities.
- No SLS, titanium dioxide, propylene glycol, artificial colors, or artificial flavors.
- We use cleaner ingredients and soothing botanicals such as aloe vera, licorice root, essential oils, and stevia leaf extract.
- Third-party tested for efficacy.
Third-party tested for trace elements.
Enamel has no cells or blood supply, so your body can’t regrow it once it’s lost. Natural acids from food and plaque bacteria pull minerals such as calcium and phosphate out of your enamel, leaving the surface of your teeth soft and porous.
Under normal conditions, your saliva deposits those minerals back within a few hours after you eat or drink. Remineralization helps support this natural process.
The best remineralizing toothpastes strengthen and harden the existing enamel structure before permanent damage can set in.
When enamel is just beginning to lose minerals, it often looks like chalky white patches on your teeth. This is the best time to use our enamel fixing toothpastes, as they can help harden the area and protect your teeth from further wear.
Nano-Hydroxyapatite: Hardens Enamel & Soothes Sensitivity
Hydroxyapatite is the calcium phosphate mineral that makes up much of enamel, which is why our nano-hydroxyapatite toothpaste is ideal for supporting tooth remineralization.
Tiny nHAp particles bind directly to the tooth surface when you brush, filling in microfissures and surface pores.
- Enamel Remineralization: The particles can help remineralize demineralized areas, which can make your enamel smoother and more resilient against daily wear.
- Sensitivity Treatment: Nano-hydroxyapatite particles can seal dentin tubules, which may help stop sensitivity from hot and cold foods.
The Dr. Jen Difference
Many brands use nano-hydroxyapatite in their fluoride-free toothpastes. However, nHAp quality varies: some formulations use cheap, low-grade material with large particles that clump together and may not absorb into the enamel.
As an engineer and dentist, Dr. Jen accepts only medical-grade precision, so our formulas contain high-purity particles that match your enamel's microscopic structure for maximum absorption.
Natural Soothing Ingredients
Dr. Jen's toothpastes are free from sodium lauryl sulfate (SLS), propylene glycol, titanium dioxide, artificial dyes and flavors, and petroleum-derived additives. We use soothing botanicals such as aloe vera and licorice root that help with tender, inflamed gums. Our formulas also contain Xylitol, a plant-derived sweetener that supports oral microbiome balance.
Choose the Best Toothpaste to Strengthen Tooth Enamel
We offer fluoride toothpastes and fluoride-free options to help remineralize your teeth. Shop our collection including:
- Dr. Jen's KeraHAp™: It’s the first and only peptide and nHAp toothpaste on the market. Dr. Jen's KeraHAp™ combines nano-hydroxyapatite with biomimetic peptides that support stronger mineral bonding at the enamel surface. It’s also fluoride-free.
- Super Paste Triple Protection: It contains 10% premium nano-hydroxyapatite and 0.22% fluoride for double remineralization and stronger enamel. Super Paste Triple Protection may be a good option for patients at high risk for cavities and those who want a gentle alternative to 5000ppm prescription fluoride toothpaste.
- Dr. Jen's Eggshell: This formula contains the first and only naturally derived nano-hydroxyapatite. Eggshell-derived nHAp contains naturally occurring magnesium, sodium, iron, calcium, and phosphate, making it highly effective for remineralization. Dr. Jen's Eggshell toothpaste is also fluoride-free.
Not sure which is the right one for you? Take our formula quiz today to find out!
Frequently Asked Questions
Can a Toothpaste Rebuild or Repair Enamel?
There’s no toothpaste that rebuilds enamel because it has no living cells. Dr. Jen’s remineralizing toothpastes can help deposit minerals back into softened enamel before it breaks down. Our options are great for people who’ve started noticing chalky white patches on their teeth, a sign that enamel is losing minerals.
Can a Remineralizing Toothpaste Cure Tooth Decay?
The best time to use a remineralizing toothpaste to strengthen enamel is usually the stage before a cavity forms. Once you have a cavity, no toothpaste can fill the hole. Instead, we recommend speaking to a dentist for treatment and the best tooth decay toothpaste to use afterward.
How Long Does Remineralization Take?
Controlled laboratory pH-cycling studies show that remineralization and improved enamel strength can occur within 7 to 12 days. Always spit out excess toothpaste without rinsing and wait 30 minutes before eating or drinking so the nHAp particles can bond with enamel pores and micro-fissures for better remineralization.
Which Is Better for Remineralization: Nano-Hydroxyapatite or Fluoride?
Both our formulas are highly effective for strengthening enamel. Fluoride interacts with enamel to build a harder surface layer, while nHAp penetrates surface pores to help replace lost minerals.












