---
title: "Retainer — $661K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/retainer"
last_updated: "2026-08-11T16:43:03.409Z"
locale: en
meta:
description: "Niche score 54/100 · $661K/yr market · 579K searches/yr · $60.08 avg price. Soft demand (-4.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $661K/yr market · 579K searches/yr · $60.08 avg price. Soft demand (-4.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Retainer — $661K/yr Amazon US Niche (2026) - Flapen"
---
# **retainer**
**Worth a look**
Shows low returns (1.1%), but soft demand (-4.4% this quarter) keeps it on the watch list.
Market size 67Growth 23Conversion 24Competition 39Returns 92Price range 60Avg price 90Brand share 62Review moat 34Quality gap 73
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$60.08**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$661K**
$661K/yr · 579K searches
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****$8.57–$149.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****62%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****3,107.14**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.9%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-4.4%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, retainer is a $661K/yr Amazon United States market (579K searches/yr). The top 5 brands hold 68% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **retainer market data**
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **$601K–$751K**
- units × avg price
- **Conversion rate**
- **1.9%**
- **Avg BSR**
- **#270**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **10.9%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▲rising
**Sellers**
**48**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**62%**
Top 20: 98%
**Open market**
**25%**
- Dggisbab22% - Qiivosm16% - Reazeal12% - Mevivism9% - DenTek8% - Smileins Lab8%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -4.4% search growth over the last 90 days.
13K8KPrime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/health-household/retainer/trend)
## **Top retainer search terms**
- **retainer**222K/yr-5.4%1.3% conv. - **retainers**61K/yr+2.6%1.0% conv. - **teeth retainer**45K/yr+8.6%1.0% conv. - **retenedores de dientes ortodoncia**43K/yr+1.7%1.0% conv. - **retainers for teeth**39K/yr-14.1%1.0% conv. - **retainer kit**22K/yr-6.4%0.8% conv. - **retainer kit make your own retainer**12K/yr+15.0%0.7% conv. - **retenedores de dientes**23K/yr-46.4%0.7% conv. - **retenedores de dientes para dormir**9K/yr+58.2%1.2% conv. - **clear retainer for teeth**14K/yr-35.4%0.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/retainer/search-terms)
## **Top retainer 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%5%$33K10%$66K15%$99K20%$132K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Custom Clear Retainers for Teeth (Single Retainer)**Dggisbab**$59.70**4.2★19 rev](https://www.amazon.com/dp/B0GL26DFGW) [2**Custom Retainers for Teeth Upper and Lower Clear Retainer Set Precision-Fit Design for Long-Lasting Comfort Slim Transparent and Ideal for Daytime or Overnight Wear (Upper & Lower Set)**Qiivosm**$86.96**4.3★68 rev](https://www.amazon.com/dp/B0FGJFPSG6) [3**Mouth Guard for Grinding Teeth at Night: Moldable Dental Guard for Sleeping - Nighttime Protection for Teeth with 12 Cleaning Tablets**Reazeal**$14.24**4.0★14,950 rev](https://www.amazon.com/dp/B0DMDWNKG5) [4**DenTek Professional-Fit Dental Guard Mouth Guard for Grinding Teeth at Night 1 Count**DenTek**$15.48**3.9★23,418 rev](https://www.amazon.com/dp/B008YEMVSI) [5**Custom Retainer Clear Replacement Dental Retainers for Teeth**Smileins Lab**$89.83**4.2★49 rev](https://www.amazon.com/dp/B0FKZXH7YB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**OHALEEP Anti Grinding Guard for Clenching Teeth at Night Teeth Grinding Mouthguards for Sleeping Mouth Guard for Grinding Teeth at Night Night Guards for Teeth Grinding for Adults**OHALEEP**$22.25**26 rev1mo ago](https://www.amazon.com/dp/B0H393LRQR) [**OHALEEP Anti Grinding Guard for Clenching Teeth at Night Teeth Grinding Mouthguards for Sleeping Mouth Guard for Grinding Teeth at Night Night Guards for Teeth Grinding for Adults**OHALEEP**$23.04**120 rev2mo ago](https://www.amazon.com/dp/B0GX5K3XTD) [**Clear Teeth Retainers (One Upper Retainer)**Initsmil**$66.95**2 rev2mo ago](https://www.amazon.com/dp/B0GZTD36WZ) [**Cutsom Upper Clear Retainer**Sohhvom**$60.69**8 rev2mo ago](https://www.amazon.com/dp/B0GZN1275X) [**Clear Invisible Retainer (Upper Retainer)**PUAOIWU**$64.32**3 rev3mo ago](https://www.amazon.com/dp/B0GT3F86HH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Cutsom Upper Clear Retainer**Sohhvom**$60.69**4.8★**▲ 154%**](https://www.amazon.com/dp/B0GZN1275X) [**OHALEEP Anti Grinding Guard for Clenching Teeth at Night Teeth Grinding Mouthguards for Sleeping Mouth Guard for Grinding Teeth at Night Night Guards for Teeth Grinding for Adults**OHALEEP**$23.04**3.1★**▲ 154%**](https://www.amazon.com/dp/B0GX5K3XTD) [**Cutsom Upper & Lower Clear Retainer Set**Sohhvom**$90.93**4.8★**▲ 153%**](https://www.amazon.com/dp/B0GS93TLVX) [**Custom Clear Retainers for Teeth (Upper + Lower Retainer)**Iviiccov**$79.81**5.0★**▲ 152%**](https://www.amazon.com/dp/B0GS8YKYW9) [**Clear Invisible Retainer (Upper Retainer)**PUAOIWU**$64.32**4.5★**▲ 152%**](https://www.amazon.com/dp/B0GT3F86HH)
**~~View all trending →~~**
## **What buyers say about retainer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“Good product, great seller”*
**Ease Of Cleaning**13%
*“Great cleanser”*
**Ease Of Use**11%
*“Easy to Fit”*
**Size-Overall**11%
*“Easy to Fit”*
**Value For Money**8%
*“Good for the price”*
**Comfort-Overall**6%
*“It's comfortable”*
**Efficiency**6%
*“Seems to work good”*
**Instructions/User Manual/Troubleshooting**4%
*“the instructions were clear”*
**Advertised Vs Actual Product**4%
*“works as stated”*
**Cleansing**2%
*“Clean Skin”*
### **What buyers complain about **
**Size-Overall**20%
*“Bad fit”*
**Functionality-Overall**9%
*“Never worked”*
**Value For Money**7%
*“not worth it”*
**Quality-Overall**7%
*“the build quality is very poor”*
**Durability**7%
*“Lacks durability”*
**Thickness**6%
*“This one is a little thicker than the last one I bought”*
**Comfort-Overall**5%
*“Bulky and uncomfortable”*
**Ease Of Use**4%
*“Impossible to use”*
**Instructions/User Manual/Troubleshooting**3%
*“The manufacturer messed up with the instructions”*
**Hard Feel**2%
*“Looks quite rough”*
### **Top return reasons **
**Size-Overall**33%
**Functionality-Overall**14%
**Advertised Vs Actual Product**11%
**Comfort-Overall**7%
**Product Condition**5%
**Defective Material/Parts**4%
**Material Quality**4%
**Shape/Style**2%
**Instructions/User Manual/Troubleshooting**2%
**Value For Money**2%
## **Common questions**
- **Is retainer profitable to sell on Amazon United States?**
- The niche generates $661K/yr across 22 tracked products. 7 of 14 products launched in the last 360 days are still selling. 90-day search growth is -4.4%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the retainer niche?**
- 16 brands and 48 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in retainer?**
- Top complaints mined from reviews: Size-Overall, Functionality-Overall, Value For Money. The return rate is 1.1%.
- **When does demand for retainer peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the retainer niche?**
- Listings span $8.57–$149.27; the average listing price is $60.08 (sweet spot $15–$100). The average incumbent carries 3,107 reviews — the moat a new listing must climb.
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