Targeted mineral support
10% Nano-Hydroxyapatite for focused areas.
Enamel Care Guide · Featured
A more precise way to care for worn enamel.
COUGEX® Cavity-Repair Natural Enamel Filling Gel delivers 10% Nano-Hydroxyapatite exactly where you want focused mineral support—without peroxide or bleaching agents.
Precision application
Place product exactly where you want care.
Peroxide-free routine
No bleaching agents in your everyday routine.
ADVANCED TARGETED TREATMENT
Advanced Targeted Treatment for Natural Enamel Filling
Bring professional, clinic-grade dental filling technology directly into your home.
10% NH-10
Biomimetic enamel infusion
Targeted application
WHY IT'S DIFFERENT
COUGEX® Cavity-Repair Gel targets cavities at the source.
Formulated with FDA-recognized 10% Nano-Hydroxyapatite (NH-10) and supported by extensive global clinical literature, its biomimetic composition provides a 97% match to natural tooth enamel.
Driven by magnet-like ionic forces, the gel penetrates deep into micro-cracks and cavity holes to precisely eliminate cavity-causing bacteria and trigger rapid mineral recrystallization.
It permanently seals cavity holes, eliminating the problem of conventional fillings falling out, while helping rebuild weakened enamel and draw deeply embedded pigments out of microscopic enamel pores.
01
The result is significant pain relief and visible tooth repair in as little as 1 hour.
01
10% FDA-Recognized NH-10
Biomimetic nano-hydroxyapatite designed to closely match the mineral structure of natural tooth enamel.
02
Targets Cavities at the Source
Penetrates deep into micro-cracks and cavity holes for precision-targeted treatment.
03
Permanent Cavity Sealing
Designed to permanently seal cavity holes without drilling or traditional light-curing fillings.
04
Visible Repair in 1 Hour
Supports rapid mineral recrystallization, significant pain relief and visible repair in as little as one hour.
TARGETED DAILY ENAMEL CARE
Precision care, designed for focused application.
90-DAY MONEY-BACK GUARANTEE
SHOP COUGEX®
CUSTOMER STORIES & PRODUCT PROOF
More than 480,000 customers
have solved the following oral health problems
Explore real customer experiences, product details and the technology behind COUGEX® Natural Enamel Filling Gel.
90-Day Money-Back Guarantee
Try it for 90 days. If you're not fully convinced, you can request a refund.
SHOP COUGEX®
10% NH-10 • Biomimetic enamel care • Targeted application • 90-day guarantee
WHY TOOTH DECAY DOESN'T WAIT
Tooth decay can keep progressing before you can even see it.
WHY IT MATTERS
Tooth decay (dental caries) is a progressive oral disease caused primarily by acid-producing bacteria and the loss of essential tooth minerals.
4 REASONS DAMAGE CAN PROGRESS
01
Acid-Producing Bacteria
Bacterial acids attack essential tooth minerals and weaken the natural enamel structure.
02
Thinning Tooth Enamel
As we age, the tooth's natural protective enamel layer can gradually become thinner.
03
Invisible Micro-Defects
Microscopic damage can develop within the tooth structure before it becomes visible on the outside.
04
Associated Health Risks
Clinical studies have confirmed that untreated tooth decay and deep dental infections may not only increase systemic inflammation, but can also significantly increase the risk of serious cardiovascular conditions such as stroke and heart disease.
TARGETED ENAMEL CARE
DISCOVER COUGEX®
→
Support vulnerable enamel before small problems feel bigger.
10% NH-10 · Targeted application · 90-day money-back guarantee
COUGEX® ADVANCED ORAL CARE
Bring Natural Enamel Filling Technology Into Your Daily Routine.
10% NH-10
Nano-Hydroxyapatite · Biomimetic Enamel Infusion · Targeted At-Home Application
ADVANCED TARGETED CARE
Designed for focused application where enamel needs extra support.
TARGETED DAILY ENAMEL CARE
COUGEX® Cavity-Repair Natural Enamel Filling Gel is formulated with 10% Nano-Hydroxyapatite (NH-10), designed to target cavity holes, micro-cracks, weakened enamel, sensitivity and deep-seated pigments while supporting mineral recrystallization.
01
Precision application directly onto affected tooth areas.
02
Designed to support sensitivity relief and exposed dentin care.
03
Supports enamel remineralization and a smoother appearance.
SHOP COUGEX®
→
90-DAY MONEY-BACK GUARANTEE
Secure checkout · Bundle savings available
01
Target Cavities + Micro-Cracks
Focused application for vulnerable tooth areas.
02
Relieve Pain + Sensitivity
Designed to support everyday comfort and exposed dentin care.
03
Rebuild + Brighten
Supports remineralization and a smoother-looking enamel surface.
ADVANCED ENAMEL REPAIR
Naturally Repair Damaged Enamel and Whiten Teeth in 5 Days
10% NH-10
Targeted enamel care · Precision application · Daily use
ENAMEL SUPPORT
Focused care for weakened and damaged-looking enamel.
WHY COUGEX®
Specially developed to target cavities and enamel erosion, COUGEX® Cavity-Repair Gel delivers visible results in as little as 1 hour.
It quickly relieves pain and sensitivity while actively remineralizing weakened enamel to fill cavities, seal micro-cracks and restore a strong, healthy-looking smile.
TARGETED DAILY CARE
Designed for focused application exactly where enamel needs extra support.
SHOP COUGEX®
→
90-DAY MONEY-BACK GUARANTEE
Secure checkout · Bundle savings available
WHAT IT'S DESIGNED TO SUPPORT
Visible Results in 1 Hour
Designed to deliver rapid, visible improvement in targeted damaged areas.
Repairs Weakened Enamel
Supports active remineralization to rebuild weakened tooth surfaces.
Fills Cavities & Seals Micro-Cracks
Targets microscopic defects and cavity holes for precision enamel restoration.
Brighter Teeth in 5 Days
Helps restore a cleaner, smoother and naturally brighter-looking smile with continued use.
HOW COUGEX® WORKS
How Does COUGEX® Cavity-Repair Gel Work?
A four-step system designed to relieve discomfort, rebuild damaged enamel, restore natural brightness, and rebalance the oral environment.
STEP 01
Instant Cavity Pain Relief & Immediate Comfort Restoration
NH-10 provides rapid, targeted relief for severe tooth pain and swollen gums through a dual-action formula.
Powered by ionic charges, its 10% nano-particles act like microscopic plugs, sealing exposed dentinal tubules within seconds to physically block acid, temperature, and pain signals from reaching the nerve.
At the same time, active soothing agents work like a cellular “fire extinguisher,” helping neutralize bacterial inflammation and reduce vascular congestion to rapidly shrink swollen gum tissue for fast, long-lasting comfort.
STEP 02
Rebuild Damaged Teeth: Remineralize Enamel & Seal Micro-Cracks
Driven by ionic charge attraction, the high-concentration NH-10 nano-particles penetrate deep into tooth-surface defects and actively lock into mineral gaps.
This process helps fill microscopic cracks and rebuild damaged tooth structures at the source.
Unlike synthetic resins, no blue-light curing is required. Instead, the material fuses directly with the natural tooth matrix and recrystallizes to true bone-like density, permanently integrating into a stronger, more rigid tooth structure.
STEP 03
Lifetime Enamel Strengthener: Restore Teeth to Their Natural Brightest Shade
NH-10 fills tiny pits and scratches on the tooth surface while drawing dark pigments out of deep enamel pores.
By raising the oral pH to 6, it actively reduces demineralization and dramatically increases your teeth’s resistance to acids and cavities.
Because natural enamel is essentially a transparent crystal structure, NH-10 increases enamel thickness to restore the youthful, radiant white appearance of your natural teeth.
It creates a mirror-smooth surface that naturally reflects light and effectively prevents future coffee and tea stains from adhering.
STEP 04
The Ultimate Bad-Breath Neutralizer: Rebalance the Oral Environment
Most products rely on harsh mint to temporarily mask bad breath, only for the odor to return later. NH-10 takes a completely different approach: it physically removes the source.
Bad breath is caused by sulfur-producing bacteria that decay inside invisible tooth micro-holes and exposed root areas.
NH-10 acts like a molecular vacuum, magnetically binding odor-causing bacteria and flushing them completely away.
At the same time, it floods and seals microscopic pits and cracks across the tooth surface, eliminating hidden traps where food debris and plaque can ferment.
ADVANCED FORMULA SYSTEM
A Key Formula for Remineralizing Natural Teeth at the Source
←
→
01
ENAMEL REPAIR
NH-10
10% Biomimetic Enamel Infusion
A highly concentrated, medical-grade Nano-Hydroxyapatite system designed to closely mirror the natural mineral structure of teeth.
Driven by ionic attraction, these ultra-fine nano-particles seek out microscopic cracks and cavity holes and settle directly into them.
It helps strengthen enamel, reduce sensitivity and restore the tooth surface to a smoother, stronger condition.
02
GUM COMFORT
Dipotassium Glycyrrhizinate
Swelling-Relief Agent
A highly purified plant-derived active ingredient designed to rapidly address acute dental inflammation, redness and painful swelling.
It acts as a powerful soothing agent, helps loosen calcified tartar deposits and supports the neutralization of deep-seated oral infections.
03
BIOFILM DEFENSE
IPMP & Zinc Complex
Molecular Tartar-Dissolving Defense
An advanced clinical synergy designed to break down aggressive oral biofilms.
It works like a molecular vacuum, surrounding cavity-causing and sulfur-producing bacteria so they can be more easily rinsed away.
It helps remove early tartar deposits and prevents minerals from hardening into stubborn buildup.
04
STRUCTURAL SUPPORT
Allantoin
Tooth-Bone & Structural Strengthening Matrix
A cell-regenerative compound designed to support the tooth-supporting bone and alveolar tissue.
It stimulates cellular metabolism to help increase bone density while reinforcing the structural framework around the jawbone and tooth roots.
05
ORAL ECOSYSTEM
Supercharged Vitamin Formula
Oral Ecosystem & Tooth-Stabilization Complex
An advanced synergy of bioavailable Vitamins C, E and B5 designed to support a healthy oral microbiome.
It helps restore the oral micro-ecosystem, strengthen periodontal fibers and reinforce support around weakened tooth roots to dramatically reduce tooth mobility.
DON'T TAKE OUR WORD FOR IT
WHAT 5,900+ CUSTOMERS ARE SAYING
Real reviews. Real photos. See what
Cougex™ customers have to say about their experience.
-
“I accidentally chipped a small piece off my tooth while eating crab, and from then on, it seemed to get weaker day by day. Every time I ate hot, cold, or acidic foods, I experienced a sharp, terrible sensitivity.
I even considered getting a crown, but the cost was astronomically high, and I was afraid of having even more of my natural tooth filed down. Then I discovered COUGEX® Natural Enamel Gel.
The pain relief was immediate! Not only did it completely fill in and repair the chipped corner, but it also seamlessly removed the chalky white spots. Now that awful sensitivity when eating cold shrimp is 100% gone!
On top of that, my friends have noticed that my teeth have been looking whiter and brighter lately. An extremely affordable and cost-effective solution!”
-
“My unbearable toothache made it impossible for me to chew on that side, and just the thought of the dentist’s drill made me shudder. So I started applying COUGEX® Cavity Repair Gel directly to the affected area—the immediate pain relief was incredible!
What surprised me most was that just one hour after applying it, I was able to eat again without discomfort. Within a few days, the gel had completely filled and smoothed over the cavity. The color of the filling matches my natural teeth perfectly—you can’t see any difference at all!
It’s been 2 months now, and nothing has worn away or fallen out. I can eat normally again.”
-
“I was supposed to attend a wedding, but my front teeth looked yellow, had fine hairline cracks, and even coffee stains around the edges. I bought COUGEX® DenPerm Natural Enamel Gel as an emergency solution, and the results were absolutely amazing!
Just a few hours after applying it, I could already see that my teeth looked noticeably whiter and brighter. After using it for a few days, not only had the fine cracks smoothed out, but the transparent appearance around the edges had disappeared as well!”
-
“Because of my diabetes, I struggled for a long time with loose front teeth and embarrassing bad breath. It was awful. Even though I brushed my teeth thoroughly every day, I couldn’t save my discolored teeth.
I decided to try COUGEX® Cavity Repair Gel, and in just 5 short days, the results were incredible! My bad breath completely disappeared. My loose teeth now feel remarkably firm—I can even bite directly into an apple again!”
EXPERT OVERNIGHT PROTOCOL
Support Continuous Enamel Recrystallization Overnight
Rebuilding your enamel requires uninterrupted mineral recrystallization. Follow this expert protocol every evening before bedtime.
01
Clean & Prepare
Brush your teeth thoroughly and floss to remove plaque and food debris. Rinse with water.
02
Target the Affected Area
Remove the syringe cap and place the precision applicator tip directly onto affected cavity holes, micro-cracks or sensitive areas.
03
Apply & Dose
Gently press the plunger to apply a pea-sized amount of gel directly onto the affected tooth structure. Allow it to settle naturally; do not wipe it away.
04
CRITICAL STEP
Leave On Overnight
After application, do not rinse, eat or drink. For best results, allow the gel to remain undisturbed overnight for 6 to 8 hours.
✦
Why Overnight?
While you sleep, your salivary glands produce significantly less saliva. Reduced saliva dilution allows the 10% Nano-Hydroxyapatite particles (NH-10) to remain more firmly positioned within microscopic cracks and targeted tooth-surface defects for an extended period.
Nightly targeted application · 6–8 hour leave-on protocol · 10% NH-10
WHY CHOOSE COUGEX®
Why is COUGEX® DenPerm Cavity Repair Gel the Better Choice?
✓
Dentist-tested and recommended.
✓
10% Biomimetic Enamel Infusion System designed to closely replicate the natural tooth structure.
✓
Activates key pathways that support tooth repair.
✓
Helps rebuild and restore a smooth, naturally flawless tooth shape.
✓
Helps strengthen natural tooth roots.
✓
Provides fast relief from pain & inflammation.
✓
Helps address plaque, bad breath, cavities, chipped teeth, yellow teeth, and more.
✓
Side-effect-free formula.
✓
No drilling and no damage to the natural tooth structure.
✓
CE-tested and safe to use.
✓
Suitable for all age groups, including children, young adults, and seniors.
✓
A convenient addition to your daily oral-hygiene routine for long-lasting results.
✓
An affordable alternative to costly procedures — save up to €3,000 in treatment costs while restoring your oral health.
Targeted enamel care · 10% NH-10 · Secure checkout
FREQUENTLY ASKED QUESTIONS
Frequently Asked Questions
Everything you need to know about COUGEX® Cavity-Repair Gel, its application and targeted enamel-care system.
How does COUGEX® Cavity-Repair Gel support oral health?
COUGEX® is based on a 10% biomimetic enamel infusion system featuring the NH-10 formula. It is designed to support targeted enamel care through:
✓
Targeted Filling: Designed to reach and fill microscopic cracks and affected areas of the tooth surface.
✓
Biomimetic Remineralization: Supports mineral replenishment by working with the remaining natural tooth structure without resin or light-curing.
✓
Sensitivity Support: Helps coat exposed dentin and microscopic tooth pores to support greater everyday comfort.
Can my teeth really repair and rebuild themselves?
Natural enamel does not regenerate in the same way as living tissue, but mineral-based oral-care ingredients can support remineralization of weakened enamel surfaces. COUGEX® is designed to act as a mineral-rich coating that supports the existing tooth structure and helps promote a smoother enamel surface.
How long does it take to see changes in the tooth surface?
Results can vary depending on the condition of the tooth and how consistently the product is used. Some users may notice changes in comfort or surface feel relatively quickly, while continued daily use is intended to provide ongoing mineral contact with the targeted area.
For best results, use COUGEX® consistently according to the product directions.
How quickly can I notice results for sensitivity and breath freshness?
Individual experiences vary. COUGEX® is designed to coat exposed tooth surfaces and complement normal oral hygiene, which may help support greater comfort and a cleaner, fresher-feeling mouth with regular use.
How do I use COUGEX® Cavity-Repair Gel?
Follow this simple 3-step application routine:
1
Clean:
Brush your teeth thoroughly before application.
2
Target:
Position the applicator directly over the area where
additional enamel care is desired.
3
Apply:
Dispense a small amount of gel directly onto the
targeted tooth surface.
Does COUGEX® Gel cause tooth sensitivity or irritation?
COUGEX® is formulated without peroxide-based bleaching agents or harsh restorative acids. It is designed as a gentle, targeted addition to a regular oral-care routine.
If you experience persistent discomfort or irritation, discontinue use and consult a dental professional.
PRODUCT SPECIFICATIONS
COUGEX® Cavity-Repair Natural Enamel Filling Gel
Suitable For:
Suitable for all individuals
Storage:
Store in a cool, dry place away from direct sunlight
Core System:
10% Nano-Hydroxyapatite (NH-10) Biomimetic Enamel Infusion
Application:
Precision targeted, leave-on overnight protocol