---
title: "Down Detergent — $662K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/down-detergent"
last_updated: "2026-08-10T23:35:09.682Z"
locale: en
meta:
description: "Niche score 43/100 · $662K/yr market · 180K searches/yr · $19.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $662K/yr market · 180K searches/yr · $19.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Down Detergent — $662K/yr Amazon US Niche (2026) - Flapen"
---
# **down detergent**
**Skip it**
Soft demand (-52.2% this quarter) — this niche doesn't clear our bar today.
Market size 67Growth 0Conversion 99Competition 5Returns 96Price range 84Avg price 87Brand share 0Review moat 41Quality gap 23
**Conversion**
**Incredible****18.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$19.80**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.65–$29.37**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$662K**
$662K/yr · 180K searches
**Review moat**
**Okay****2,448.71**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****93%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-52.2%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, down detergent is a $662K/yr Amazon United States market (180K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Skip it — 43/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **down detergent market data**
- **Units sold / yr**
- **30K–40K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$594K–$792K**
- units × avg price
- **Conversion rate**
- **18.6%**
- **Avg BSR**
- **#218**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **11.0%**
- **Avg brand age**
- **83 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**93%**
Top 20: 100%
**Open market**
**0%**
- Nikwax85% - GEAR AID8% - Granger's7% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -52.2% search growth over the last 90 days.
7K5KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Dec · busiest ÷ quietest = 4.8×
[**Open Trend **](https://flapen.com/research/us/automotive/down-detergent/trend)
## **Top down detergent search terms**
- **nikwax down wash**40K/yr-43.2%23.8% conv. - **down wash**28K/yr-43.2%17.5% conv. - **down detergent**30K/yr-57.3%12.3% conv. - **nikwax down wash direct**15K/yr-32.9%18.6% conv. - **down wash detergent**16K/yr-52.1%15.3% conv. - **down jacket detergent**13K/yr-69.4%14.7% conv. - **down detergent for puffer jackets**10K/yr-73.4%17.0% conv. - **down jacket cleaner**6K/yr-59.9%8.1% conv. - **down cleaner**5K/yr-54.6%13.9% conv. - **down laundry detergent**6K/yr-63.0%16.1% conv. [**All search terms **](https://flapen.com/research/us/automotive/down-detergent/search-terms)
## **Top down detergent 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%$99K30%$199K45%$298K60%$397K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nikwax Down Wash 300ml Detergent for down jackets and sleeping bags outdoor apparel clean care protect**Nikwax**$13.66**4.7★5,413 rev](https://www.amazon.com/dp/B00XI1WT20) [2**Nikwax Down Down DUO-Pack 300ml Wash-In Cleaning and Waterproofing adds DWR Water Repellency to Down Filled Jackets Outerwear Sleeping Bags Restores and Protects Insulation and Loft**Nikwax**$26.82**4.6★415 rev](https://www.amazon.com/dp/B0C2JPSD1S) [3**Nikwax Down Wash 1L Detergent for down jackets and sleeping bags outdoor apparel clean care protect**Nikwax**$29.37**4.7★5,413 rev](https://www.amazon.com/dp/B00XI1WWKE) [4**GEAR AID Revivex Down Cleaner for Washing and Restoring Loft in Puffer Jackets Vests Blankets and Sleeping Bags 10 Fl Oz**GEAR AID**$12.65**4.6★1,235 rev](https://www.amazon.com/dp/B0784VN44Z) [5**Grangers Down Wash 10 fl oz (300ml) | Concentrated Technical Cleaner for Down Jackets Sleeping Bags & Bedding Restores Loft & Thermal Efficiency Bluesign Approved & PFC-Free**Granger's**$17.35**4.6★989 rev](https://www.amazon.com/dp/B08MPWSBRR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nikwax Down Down DUO-Pack 300ml Wash-In Cleaning and Waterproofing adds DWR Water Repellency to Down Filled Jackets Outerwear Sleeping Bags Restores and Protects Insulation and Loft**Nikwax**$26.82**415 rev3y ago](https://www.amazon.com/dp/B0C2JPSD1S) [**Grangers Down Wash 10 fl oz (300ml) | Concentrated Technical Cleaner for Down Jackets Sleeping Bags & Bedding Restores Loft & Thermal Efficiency Bluesign Approved & PFC-Free**Granger's**$17.35**989 rev5y ago](https://www.amazon.com/dp/B08MPWSBRR) [**GEAR AID Revivex Down Cleaner for Washing and Restoring Loft in Puffer Jackets Vests Blankets and Sleeping Bags 10 Fl Oz**GEAR AID**$12.65**1,235 rev8y ago](https://www.amazon.com/dp/B0784VN44Z) [**Grangers Down Wash Kit | Down Wash 10 oz Concentrate and 3 Reusable Dry Balls To Restore Down Loft**Granger's**$24.08**2,564 rev9y ago](https://www.amazon.com/dp/B01KBJU8II) [**Nikwax Down Wash 1L Detergent for down jackets and sleeping bags outdoor apparel clean care protect**Nikwax**$29.37**5,413 rev10y ago](https://www.amazon.com/dp/B00XI1WWKE)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Grangers Down Wash 10 fl oz (300ml) | Concentrated Technical Cleaner for Down Jackets Sleeping Bags & Bedding Restores Loft & Thermal Efficiency Bluesign Approved & PFC-Free**Granger's**$17.35**4.6★**▲ 61%**](https://www.amazon.com/dp/B08MPWSBRR) [**Nikwax Down Wash 1L Detergent for down jackets and sleeping bags outdoor apparel clean care protect**Nikwax**$29.37**4.7★**▲ 36%**](https://www.amazon.com/dp/B00XI1WWKE) [**Nikwax Down Wash 300ml Detergent for down jackets and sleeping bags outdoor apparel clean care protect**Nikwax**$13.66**4.7★**— 7%**](https://www.amazon.com/dp/B00XI1WT20) [**Nikwax Down Proof Wash-in Waterproofing Restores DWR Water Repellency to Down Filled Jackets Outerwear Vests Sleeping Bags Quilts and Bedding Revitalizes and Protects Insulation and Loft**Nikwax**$14.64**4.6★**▼ 15%**](https://www.amazon.com/dp/B001OPF4ME) [**Nikwax Down Down DUO-Pack 300ml Wash-In Cleaning and Waterproofing adds DWR Water Repellency to Down Filled Jackets Outerwear Sleeping Bags Restores and Protects Insulation and Loft**Nikwax**$26.82**4.6★**▼ 20%**](https://www.amazon.com/dp/B0C2JPSD1S)
**~~View all trending →~~**
## **What buyers say about down detergent**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**34%
*“Excellent product”*
**Ease Of Cleaning**15%
*“It cleans really well though”*
**Advertised Vs Actual Product**7%
*“Works as advertised”*
**Product Condition**6%
*“Just like new”*
**Smell**6%
*“made them smell brand new”*
**Washability**5%
*“Perfect for washing down- filled items”*
**Ease Of Use**4%
*“Easy to use”*
**Value For Money**2%
*“Amazing value”*
**Weather Proof**2%
*“Quality products for all outdoor wear”*
**Soft Feel**2%
*“great, gentle and useful”*
### **What buyers complain about **
**Stain Resistance**22%
*“stains that the dry cleaning folks could not remove”*
**Value For Money**17%
*“not cheap,”*
**Ease Of Cleaning**14%
*“it has zero cleaning power”*
**Leak-Proof**6%
*“the Down Wash bottle in particular was leaking significantly. the Down Proof bottle froze solid, preventing leakage,”*
**Product Condition**5%
*“Prodext arrived open and used”*
**Size-Overall**5%
*“I was surprised to see how small the bottle was compared to what I used to purchase”*
**Color**3%
*“the water came out brown”*
**Strength**2%
*“Does no damage because its not strong enough”*
**Functionality-Overall**2%
*“It didn't work”*
**Ease Of Use**2%
*“Takes time to do properly”*
### **Top return reasons **
**Leak-Proof**31%
**Advertised Vs Actual Product**17%
**Value For Money**12%
**Size-Overall**8%
**Functionality-Overall**8%
**Water Resistance**5%
**Defective Material/Parts**4%
**Ease Of Cleaning**3%
**Stain Resistance**3%
**Material Quality**2%
## **Common questions**
- **Is down detergent profitable to sell on Amazon United States?**
- The niche generates $662K/yr across 7 tracked products. 90-day search growth is -52.2%. Flapen's verdict: Skip it (43/100).
- **How competitive is the down detergent niche?**
- 3 brands and 15 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in down detergent?**
- Top complaints mined from reviews: Stain Resistance, Value For Money, Ease Of Cleaning. The return rate is 0.8%.
- **When does demand for down detergent peak?**
- Demand peaks in Jan–Feb–Dec; the busiest month runs 4.8× the quietest.
- **What does it cost to enter the down detergent niche?**
- Listings span $12.65–$29.37; the average listing price is $19.80 (sweet spot $15–$100). The average incumbent carries 2,449 reviews — the moat a new listing must climb.
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