---
title: "Scent Fill — $180K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/scent-fill"
last_updated: "2026-08-11T08:08:49.147Z"
locale: en
meta:
description: "Niche score 53/100 · $180K/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 53/100 · $180K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Scent Fill — $180K/yr Amazon US Niche (2026) - Flapen"
---
# **scent fill**
**Worth a look**
Shows low returns (0.9%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 36Growth 45Conversion 49Competition 52Returns 95Price range 74Avg price 92Brand share 0Review moat 45Quality gap 80
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$21.61**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$9.63–$30.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+15.8%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,989.87**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$180K**
$180K/yr · 213K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, scent fill is a $180K/yr Amazon United States market (213K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **scent fill market data**
- **Units sold / yr**
- **8K–10K**
- avg 100–250/product
- **Revenue / yr**
- **$173K–$216K**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#84**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **87%**
- **Out of stock**
- **0.8%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **134 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**3 **▲rising
**Sellers**
**11**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 91%
**Open market**
**0%**
- Scent Fill98% - Mrs. MEYER'S1% - Enviroscent1% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +15.8% search growth over the last 90 days.
6K4KPrime Day '24Black Friday '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/scent-fill/trend)
## **Top scent fill search terms**
- **scent fill**82K/yr+24.5%3.2% conv. - **scent fill plug in**40K/yr+16.9%3.8% conv. - **scentfill**36K/yr+7.7%2.8% conv. - **scent fill refills**31K/yr+15.0%4.8% conv. - **scentfill refills**20K/yr+5.1%4.4% conv. - **scentfill plugin**4K/yr-82.2%2.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/scent-fill/search-terms)
## **Top scent fill 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%4%$7K8%$14K12%$22K16%$29K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Scent Fill Relax Blend Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$17.30**4.2★1,566 rev](https://www.amazon.com/dp/B0C63B7662) [2**Scent Fill Fresh Linen Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$16.89**4.2★1,566 rev](https://www.amazon.com/dp/B0C62L69VZ) [3**Scent Fill 100% Natural Lavender Vanilla Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$20.19**4.1★2,450 rev](https://www.amazon.com/dp/B0CS51YRDL) [4**Scent Fill Relax Blend Plug in Air Freshener 4 Scented Oil Refills**Scent Fill**$24.79**4.3★2,727 rev](https://www.amazon.com/dp/B01NAP1PWO) [5**Scent Fill Blue Lava Plug in Air Freshener 4 Scented Oil Refills**Scent Fill**$24.79**4.3★2,727 rev](https://www.amazon.com/dp/B093NHFS75)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Scent Fill 100% Natural Lavender Vanilla Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$20.19**2,450 rev2y ago](https://www.amazon.com/dp/B0CS51YRDL) [**Scent Fill Coconut Sandalwood Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$17.38**1,566 rev2y ago](https://www.amazon.com/dp/B0CS4JYLLZ) [**Scent Fill Vanilla Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$17.06**1,566 rev2y ago](https://www.amazon.com/dp/B0CJWWMDWC) [**Scent Fill Blue Lava Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$17.00**1,566 rev2y ago](https://www.amazon.com/dp/B0CJ3RL4SX) [**Scent Fill Relax Blend Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$17.30**1,566 rev3y ago](https://www.amazon.com/dp/B0C63B7662)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Scent Fill Vanilla Plug in Air Freshener 4 Scented Oil Refills**Scent Fill**$24.80**4.3★**▲ 162%**](https://www.amazon.com/dp/B07N9MLZR1) [**Scent Fill Relax Blend Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$17.30**4.2★**▲ 160%**](https://www.amazon.com/dp/B0C63B7662) [**Scent Fill Fresh Linen Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$16.89**4.2★**▲ 132%**](https://www.amazon.com/dp/B0C62L69VZ) [**Summer Scent Fill Plug in Air Freshener Kit (Cucumber Melon Grapefruit Vanilla Island Essence and Jasmine Nectar) 4 Refills + Diffuser**Scent Fill**$27.23**4.2★**▲ 107%**](https://www.amazon.com/dp/B07TGV37FG) [**Scent Fill Vanilla Plug in Air Freshener Scented Oil Refills 2 Refills + Diffuser**Scent Fill**$17.06**4.2★**▲ 102%**](https://www.amazon.com/dp/B0CJWWMDWC)
**~~View all trending →~~**
## **What buyers say about scent fill**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**58%
*“Great scent”*
**Quality-Overall**4%
*“Better than popular brands”*
**Durability**3%
*“For the price, value, and the longevity, this was a perfect purchase”*
**Value For Money**3%
*“great price too”*
**Strength**3%
*“Its very strong”*
**Ease Of Cleaning**2%
*“Clean”*
**Advertised Vs Actual Product**2%
*“As described”*
**Leak-Proof**1%
*“So far, there has been no leakage, and it is easy to install”*
**Vegan/Organic**1%
*“because its a cruelty free brand”*
**Toxic/Chemical Free**1%
*“Glad to find non toxic air fresheners”*
### **What buyers complain about **
**Smell**57%
*“Can't smell it”*
**Value For Money**6%
*“A bit pricey”*
**Durability**5%
*“runs out fast”*
**Strength**3%
*“Not strong”*
**Leak-Proof**3%
*“2 bottles leaked”*
**Functionality-Overall**3%
*“Doesn't Work”*
**Natural Ingredients**1%
*“not a natural smell”*
**Stale/Rotten/Spoiled**1%
*“Garbage”*
**Maintenance And Repair**1%
*“Have to replace often”*
**Allergies**1%
*“I have a sensitive nose”*
### **Top return reasons **
**Smell**72%
**Leak-Proof**9%
**Advertised Vs Actual Product**6%
**Functionality-Overall**2%
**Compatibility-Overall**2%
**Strength**1%
**Natural Ingredients**1%
**Product Condition**1%
**Durability**1%
**Size-Overall**1%
## **Common questions**
- **Is scent fill profitable to sell on Amazon United States?**
- The niche generates $180K/yr across 30 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +15.8%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the scent fill niche?**
- 3 brands and 11 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in scent fill?**
- Top complaints mined from reviews: Smell, Value For Money, Durability. The return rate is 0.9%.
- **When does demand for scent fill peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the scent fill niche?**
- Listings span $9.63–$30.64; the average listing price is $21.61 (sweet spot $15–$100). The average incumbent carries 1,990 reviews — the moat a new listing must climb.
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