---
title: "Fluoridex — $684K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/fluoridex"
last_updated: "2026-08-10T02:49:19.074Z"
locale: en
meta:
description: "Niche score 51/100 · $684K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $684K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Fluoridex — $684K/yr Amazon US Niche (2026) - Flapen"
---
# **fluoridex**
**Worth a look**
Shows low returns (0.3%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 68Growth 33Conversion 96Competition 20Returns 98Price range 83Avg price 95Brand share 0Review moat 40Quality gap 28
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$22.85**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.32–$58.58**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$684K**
$684K/yr · 217K searches
**Review moat**
**Okay****2,468**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+6.7%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, fluoridex is a $684K/yr Amazon United States market (217K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 51/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fluoridex market data**
- **Units sold / yr**
- **30K–40K**
- avg 3,000–4,000/product
- **Revenue / yr**
- **$686K–$914K**
- units × avg price
- **Conversion rate**
- **13.8%**
- **Avg BSR**
- **#474**
- **Page quality**
- **0%**
- **Prime**
- **62%**
- **Sponsored**
- **69%**
- **Out of stock**
- **2.6%**
- **Avg brand age**
- **68 months**
- **Avg seller age**
- **148 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▲rising
**Sellers**
**7**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**0%**
- CariFree55% - CloSYS42% - Generic4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +6.7% search growth over the last 90 days.
18K13KSpike '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/health-household/fluoridex/trend)
## **Top fluoridex search terms**
- **carifree toothpaste**69K/yr+9.2%12.5% conv. - **closys toothpaste**70K/yr+15.9%21.1% conv. - **fluoridex**24K/yr-12.0%1.9% conv. - **fluorimax 5000 toothpaste**14K/yr-9.6%0.0% conv. - **carifree gel 1100**6K/yr+65.5%8.0% conv. - **cari free toothpaste**5K/yr-0.1%9.8% conv. - **fluoridex toothpaste prescription strength**4K/yr+5.8%3.6% conv. - **carifree ctx4 gel 1100**3K/yr+7.0%4.2% conv. - **carifree pro gel 5000 toothpaste**4K/yr+8.6%5.5% conv. - **carifree 5000**4K/yr-34.4%0.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/fluoridex/search-terms)
## **Top fluoridex products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$68K20%$137K30%$205K40%$274K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CariFree Gel 1100 (Mint) Anti-Cavity Fluoride Toothpaste with Nano Hydroxyapatite Cavity Prevention and Enamel Protection Dentist Recommended for Kids and Adults 2.40 oz.**CariFree**$17.49**4.5★4,621 rev](https://www.amazon.com/dp/B00QJA4GB4) [2**CloSYS Fluoride Toothpaste 7 Ounce (Pack of 2) Gentle Mint Whitening Enamel Protection Sulfate Free**CloSYS**$19.76**4.6★9,760 rev](https://www.amazon.com/dp/B0B3PQTK6J) [3**CloSYS Fluoride Toothpaste 7 Ounce Gentle Mint Whitening Enamel Protection Sulfate Free**CloSYS**$11.14**4.6★9,760 rev](https://www.amazon.com/dp/B0051B5IV4) [4**CariFree Gel 1100 Citrus Flavored Anti-Cavity Fluoride Toothpaste with Nano Hydroxyapatite for pH Neutralization Cavity Prevention & Enamel Protection Dentist Recommended Dentist Developed**CariFree**$17.38**4.6★941 rev](https://www.amazon.com/dp/B00XWTAMN6) [5**CariFree Fluoride Free Gel Mint Flavored Nano Hydroxyapatite Toothpaste Neutralizes pH Freshens Breath & Moistens Mouth Dentist Recommended for Oral Care (2.3 Ounce (Pack of 2) Soft Mint**CariFree**$30.88**4.4★1,000 rev](https://www.amazon.com/dp/B0F5RJGNT8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Daily Defense Sensitivity Relief Toothpaste Clean Mint 4oz**Generic**$29.17**2 rev3mo ago](https://www.amazon.com/dp/B0GX7LTGN7) [**Daily Defense Toothpaste Clean Mint 4oz**Generic**$29.08**4 rev3mo ago](https://www.amazon.com/dp/B0GVT9YZF9) [**CariFree Fluoride Free Gel Mint Flavored Nano Hydroxyapatite Toothpaste Neutralizes pH Freshens Breath & Moistens Mouth Dentist Recommended for Oral Care (2.3 Ounce (Pack of 2) Soft Mint**CariFree**$30.88**1,000 rev1y ago](https://www.amazon.com/dp/B0F5RJGNT8) [**CloSYS Fluoride Toothpaste 7 Ounce (Pack of 2) Gentle Mint Whitening Enamel Protection Sulfate Free**CloSYS**$19.76**9,760 rev4y ago](https://www.amazon.com/dp/B0B3PQTK6J) [**CariFree Maintenance & Prevention Kit Mint | Anti-Cavity Fluoride Toothpaste & Mouthwash Freshens Breath and Moistens Mouth | Dentist Recommended for Oral Care (2 Piece Set)**CariFree**$29.94**358 rev5y ago](https://www.amazon.com/dp/B08TFLMN2T)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Daily Defense Sensitivity Relief Toothpaste Clean Mint 4oz**Generic**$29.17**5.0★**▲ 263%**](https://www.amazon.com/dp/B0GX7LTGN7) [**Daily Defense Toothpaste Clean Mint 4oz**Generic**$29.08**5.0★**▲ 262%**](https://www.amazon.com/dp/B0GVT9YZF9) [**CariFree Fluoride Free Gel Soft Mint Flavor Neutralizes pH Freshens Breath and Moistens Mouth Dentist Recommended for Oral Care Toothpaste Replacement 2.3 Ounce (Pack of 4)**CariFree**$58.58**4.4★**▲ 118%**](https://www.amazon.com/dp/B072N16KZV) [**CariFree Gel 1100 Citrus Flavored Anti-Cavity Fluoride Toothpaste with Nano Hydroxyapatite for pH Neutralization Cavity Prevention & Enamel Protection Dentist Recommended Dentist Developed**CariFree**$17.38**4.6★**▲ 46%**](https://www.amazon.com/dp/B00XWTAMN6) [**CariFree Maintenance & Prevention Kit Mint | Anti-Cavity Fluoride Toothpaste & Mouthwash Freshens Breath and Moistens Mouth | Dentist Recommended for Oral Care (2 Piece Set)**CariFree**$29.94**4.5★**▲ 28%**](https://www.amazon.com/dp/B08TFLMN2T)
**~~View all trending →~~**
## **What buyers say about fluoridex**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Tooth Sensitivity**19%
*“I think it has really helped with gum health”*
**Oral Hygiene**12%
*“Great Toothpaste”*
**Value For Money**10%
*“The cost is great for the tube size”*
**Quality-Overall**9%
*“Excellent product”*
**Tooth Brightening**8%
*“It's very refreshing”*
**Efficiency**5%
*“It does the work”*
**Soft Feel**5%
*“it feels very pleasant”*
**Cleansing**3%
*“makes my teeth feel so so clean”*
**Breathability**3%
*“My breath also feels clean and fresh”*
**Product Condition**2%
*“New and improved tube”*
### **What buyers complain about **
**Value For Money**17%
*“Its a little expensive”*
**Allergies**13%
*“Be careful - allergic reaction possible”*
**Design-Overall**8%
*“The lid Is a horrible design”*
**Ingredients-Overall**6%
*“I'm sensitive to flavors and ingredients, and I can't get past the saccharin in this toothpaste”*
**Leak-Proof**6%
*“Every time I open it the paste is spewing out”*
**Advertised Vs Actual Product**5%
*“A waste of money if not as advertised”*
**Oral Hygiene**5%
*“it still burns my mouth”*
**Size-Overall**4%
*“now it is short and blunt”*
**Breathability**3%
*“it caused a bad breath odor”*
**Moist/Dry**3%
*“dries very quickly”*
### **Top return reasons **
**Advertised Vs Actual Product**27%
**Ingredients-Overall**16%
**Leak-Proof**7%
**Functionality-Overall**6%
**Size-Overall**5%
**Flavor**3%
**Product Condition**3%
**Value For Money**3%
**Tooth Sensitivity**3%
**Texture/Consistency-Overall**2%
## **Common questions**
- **Is fluoridex profitable to sell on Amazon United States?**
- The niche generates $684K/yr across 13 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +6.7%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the fluoridex niche?**
- 3 brands and 7 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in fluoridex?**
- Top complaints mined from reviews: Value For Money, Allergies, Design-Overall. The return rate is 0.3%.
- **When does demand for fluoridex peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the fluoridex niche?**
- Listings span $7.32–$58.58; the average listing price is $22.85 (sweet spot $15–$100). The average incumbent carries 2,468 reviews — the moat a new listing must climb.
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