---
title: "Retainer Cleaner Foam — $266K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/retainer-cleaner-foam"
last_updated: "2026-08-11T16:45:05.536Z"
locale: en
meta:
  description: "Niche score 49/100 · $266K/yr market · 93K searches/yr · $20.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $266K/yr market · 93K searches/yr · $20.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Retainer Cleaner Foam — $266K/yr Amazon US Niche (2026) - Flapen"
---

# **retainer cleaner foam**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 49Growth 29Conversion 96Competition 13Returns 98Price range 72Avg price 88Brand share 0Review moat 58Quality gap 47

**Returns**

**Incredible****0.5%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****14.2%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Great****$20.10**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$6.46–$37.36**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Good****1,189.33**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****$266K**

$266K/yr · 93K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+3.1%**

90-day search growth — must beat 0% to launch

**Competition**

**Bad****84%**

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, retainer cleaner foam is a $266K/yr Amazon United States market (93K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct. Verdict: Skip it — 49/100.

Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **retainer cleaner foam market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**13K–15K**</dd><dd>avg 1,500–2,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$251K–$302K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**14.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#30**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**89%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**49 months**</dd>

<dt>**Avg seller age**</dt><dd>**138 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**5 **—flat

**Sellers**

**9**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**84%**

Top 20: 100%

**Open market**

**0%**

- EverSmile78% - POP ON VENEERS10% - GuruNanda6% - INVISALIGN4% - Bleachbright3% - Open — no brand owns it (0%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +3.1% search growth over the last 90 days.

3K2KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 2.2×

[**Open Trend **](https://flapen.com/research/us/health-household/retainer-cleaner-foam/trend)

## **Top retainer cleaner foam search terms**

- **eversmile aligner and retainer cleaner**18K/yr+5.3%16.6% conv. - **retainer cleaner foam**12K/yr-2.8%9.9% conv. - **eversmile**8K/yr-7.0%8.1% conv. - **ever smile aligner and retainer cleaner**8K/yr-3.7%14.1% conv. - **retainer foam cleaner**6K/yr+0.3%12.1% conv. - **eversmile whitening foam**5K/yr+25.6%11.5% conv. - **invisalign whitening foam**3K/yr+78.9%8.4% conv. - **whitening foam for aligners**5K/yr-9.9%9.5% conv. - **aligner cleaner foam**5K/yr-6.3%13.4% conv. - **aligner foam**3K/yr+12.2%10.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/retainer-cleaner-foam/search-terms)

## **Top retainer cleaner foam 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%15%$40K30%$80K45%$120K60%$160K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 50ml (1 Pack)](https://m.media-amazon.com/images/I/41fx24K2IDL.jpg)**EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 50ml (1 Pack)**EverSmile**$20.01**4.6★5,443 rev](https://www.amazon.com/dp/B07BRNCC8W) [2![Retainer Cleaner Foam for Invisalign Aligner Cleaner Whitening Foam for Mouth Guard Night Guard Veneers Whitens Teeth Freshens & Fights Bad Breath 3% Hydrogen Peroxide Mint - 50ml](https://m.media-amazon.com/images/I/51r0CPCtALL.jpg)**Retainer Cleaner Foam for Invisalign Aligner Cleaner Whitening Foam for Mouth Guard Night Guard Veneers Whitens Teeth Freshens & Fights Bad Breath 3% Hydrogen Peroxide Mint - 50ml**POP ON VENEERS**$16.11**4.2★587 rev](https://www.amazon.com/dp/B0DMWMZ6J4) [3![EverSmile AlignerFresh Extra Whitening Foam Cleaner Compatible w/Invisalign and All Clear Aligners and Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 50ml (1 Pack)](https://m.media-amazon.com/images/I/41Ep2lsFlQL.jpg)**EverSmile AlignerFresh Extra Whitening Foam Cleaner Compatible w/Invisalign and All Clear Aligners and Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 50ml (1 Pack)**EverSmile**$29.32**4.5★586 rev](https://www.amazon.com/dp/B09WFTF33K) [4![EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 25ml (1 Pack)](https://m.media-amazon.com/images/I/41XD-NcG4AL.jpg)**EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 25ml (1 Pack)**EverSmile**$12.35**4.5★104 rev](https://www.amazon.com/dp/B0DBWK8GXM) [5![GuruNanda Aligner & Retainer Cleaner Foam Gentle Cleaning for Aligners Retainers Veneers & Mouthguard Helps Neutralize Odors Ideal for Daily Use 100 ml](https://m.media-amazon.com/images/I/411YkpOKk3L.jpg)**GuruNanda Aligner & Retainer Cleaner Foam Gentle Cleaning for Aligners Retainers Veneers & Mouthguard Helps Neutralize Odors Ideal for Daily Use 100 ml**GuruNanda**$6.46**4.4★124 rev](https://www.amazon.com/dp/B0F84LMVR4)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![GuruNanda Aligner & Retainer Cleaner Foam Gentle Cleaning for Aligners Retainers Veneers & Mouthguard Helps Neutralize Odors Ideal for Daily Use 100 ml](https://m.media-amazon.com/images/I/411YkpOKk3L.jpg)**GuruNanda Aligner & Retainer Cleaner Foam Gentle Cleaning for Aligners Retainers Veneers & Mouthguard Helps Neutralize Odors Ideal for Daily Use 100 ml**GuruNanda**$6.46**124 rev1y ago](https://www.amazon.com/dp/B0F84LMVR4) [![Retainer Cleaner Foam for Invisalign Aligner Cleaner Whitening Foam for Mouth Guard Night Guard Veneers Whitens Teeth Freshens & Fights Bad Breath 3% Hydrogen Peroxide Mint - 50ml](https://m.media-amazon.com/images/I/51r0CPCtALL.jpg)**Retainer Cleaner Foam for Invisalign Aligner Cleaner Whitening Foam for Mouth Guard Night Guard Veneers Whitens Teeth Freshens & Fights Bad Breath 3% Hydrogen Peroxide Mint - 50ml**POP ON VENEERS**$16.11**587 rev1y ago](https://www.amazon.com/dp/B0DMWMZ6J4) [![EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 25ml (1 Pack)](https://m.media-amazon.com/images/I/41XD-NcG4AL.jpg)**EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 25ml (1 Pack)**EverSmile**$12.35**104 rev1y ago](https://www.amazon.com/dp/B0DBWK8GXM) [![INVISALIGN Aligner Cleaning Foam 55 ml](https://m.media-amazon.com/images/I/41C5GZdg9zL.jpg)**INVISALIGN Aligner Cleaning Foam 55 ml**INVISALIGN**$21.56**373 rev2y ago](https://www.amazon.com/dp/B099BPWN77) [![EverSmile AlignerFresh Extra Whitening Foam Cleaner Compatible w/Invisalign and All Clear Aligners and Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 50ml (1 Pack)](https://m.media-amazon.com/images/I/41Ep2lsFlQL.jpg)**EverSmile AlignerFresh Extra Whitening Foam Cleaner Compatible w/Invisalign and All Clear Aligners and Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 50ml (1 Pack)**EverSmile**$29.32**586 rev4y ago](https://www.amazon.com/dp/B09WFTF33K)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![GuruNanda Aligner & Retainer Cleaner Foam Gentle Cleaning for Aligners Retainers Veneers & Mouthguard Helps Neutralize Odors Ideal for Daily Use 100 ml](https://m.media-amazon.com/images/I/411YkpOKk3L.jpg)**GuruNanda Aligner & Retainer Cleaner Foam Gentle Cleaning for Aligners Retainers Veneers & Mouthguard Helps Neutralize Odors Ideal for Daily Use 100 ml**GuruNanda**$6.46**4.4★**▲ 67%**](https://www.amazon.com/dp/B0F84LMVR4) [![EverSmile AlignerFresh Enamel Guard Fluoride Foam Aligner & Retainer Cleaner/Whitener with Enamel Protection Strengthens Protects & Whitens Teeth Eliminates Bacteria Fresh Mint 1 Pack (50ml)](https://m.media-amazon.com/images/I/41KdGvGFz9L.jpg)**EverSmile AlignerFresh Enamel Guard Fluoride Foam Aligner & Retainer Cleaner/Whitener with Enamel Protection Strengthens Protects & Whitens Teeth Eliminates Bacteria Fresh Mint 1 Pack (50ml)**EverSmile**$20.27**4.5★**▲ 62%**](https://www.amazon.com/dp/B09SVR3CT6) [![EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 25ml (1 Pack)](https://m.media-amazon.com/images/I/41XD-NcG4AL.jpg)**EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 25ml (1 Pack)**EverSmile**$12.35**4.5★**▲ 15%**](https://www.amazon.com/dp/B0DBWK8GXM) [![EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 50ml (1 Pack)](https://m.media-amazon.com/images/I/41fx24K2IDL.jpg)**EverSmile AlignerFresh Original Clean Foam Cleaner Compatible w/Invisalign and All Clear Aligners & Retainers Eliminates Bacteria Whitens Teeth Fights Bad Breath 50ml (1 Pack)**EverSmile**$20.01**4.6★**— 9%**](https://www.amazon.com/dp/B07BRNCC8W) [![Aligner & Retainer Cleaner Whitening Foam | Compatible with Invisalign Byte Candid ClearCorrect | Night Guard Mouth Guard Denture Cleaner | Whitens Teeth Peroxide Free Enamel Safe | FoamBright](https://m.media-amazon.com/images/I/51lskh1MukL.jpg)**Aligner & Retainer Cleaner Whitening Foam | Compatible with Invisalign Byte Candid ClearCorrect | Night Guard Mouth Guard Denture Cleaner | Whitens Teeth Peroxide Free Enamel Safe | FoamBright**Bleachbright**$17.43**4.2★**— 2%**](https://www.amazon.com/dp/B00R4WTIC8)

**~~View all trending →~~**

## **What buyers say about retainer cleaner foam**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Ease Of Cleaning**17%

*“My trays look super clean”*

**Quality-Overall**12%

*“Reliable product”*

**Tooth Brightening**9%

*“Whitens Teeth”*

**Smell**8%

*“Keeps them clean and smelling fresh”*

**Taste-Overall**7%

*“Taste Great”*

**Ease Of Use**7%

*“Easy to use”*

**Efficiency**6%

*“Effective”*

**Advertised Vs Actual Product**5%

*“worked perfectly”*

**Cleansing**4%

*“It does a good job keeping them clean”*

**Oral Hygiene**3%

*“Love the flavor of this oral cleaner foam”*

### **What buyers complain about **

**Value For Money**12%

*“The price is a bit high”*

**Taste-Overall**10%

*“The taste is like toothpaste not too fond of that”*

**Leak-Proof**7%

*“This product arrived leaking”*

**Smell**5%

*“it smelled moldy”*

**Allergies**4%

*“It may be an allergic reaction to something unknown in this particular product - just beware”*

**Durability**4%

*“Bottle barely lasted 3 weeks-”*

**Dispensing Mechanism**4%

*“Defective pump”*

**Color Fading/Discoloration**4%

*“Discoloration occurring”*

**Ingredients-Overall**4%

*“Contains sucralose”*

**Color**4%

*“way more yellow”*

### **Top return reasons **

**Leak-Proof**27%

**Product Condition**16%

**Advertised Vs Actual Product**10%

**Functionality-Overall**8%

**Value For Money**4%

**Cleaning Modes**4%

**Size-Overall**4%

**Taste-Overall**3%

**Dilute/Watery**3%

**Ingredients-Overall**3%

## **Common questions**

<dl>

<dt>**Is retainer cleaner foam profitable to sell on Amazon United States?**</dt><dd>The niche generates $266K/yr across 9 tracked products. 90-day search growth is +3.1%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the retainer cleaner foam niche?**</dt><dd>5 brands and 9 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in retainer cleaner foam?**</dt><dd>Top complaints mined from reviews: Value For Money, Taste-Overall, Leak-Proof. The return rate is 0.5%.</dd>

<dt>**When does demand for retainer cleaner foam peak?**</dt><dd>Demand peaks in Oct; the busiest month runs 2.2× the quietest.</dd>

<dt>**What does it cost to enter the retainer cleaner foam niche?**</dt><dd>Listings span $6.46–$37.36; the average listing price is $20.10 (sweet spot $15–$100). The average incumbent carries 1,189 reviews — the moat a new listing must climb.</dd>

</dl>

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