---
title: "Liquid Pen — $10K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/liquid-pen"
last_updated: "2026-08-12T16:11:46.056Z"
locale: en
meta:
description: "Amazon product research for liquid pen: $10K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for liquid pen: $10K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Liquid Pen — $10K/mo Amazon US Product Research (2026)"
---
# **Liquid Pen**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 28Growth 16Conversion 31Competition 40Returns 91Price range 79Avg price 85Brand share 8Review moat 45Quality gap 73
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$19.02**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.50–$28.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,971.24**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****2.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$124K**
$124K/yr · 263K searches
**Growth**
**Bad****-17.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
## **Is liquid pen profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, liquid pen is a $124K/yr Amazon United States market (263K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Jan–Mar–Nov–Dec. Verdict: Skip it — 44/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **liquid pen market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$114K–$152K**
- units × avg price
- **Conversion rate**
- **2.5%**
- **Avg BSR**
- **#903**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **3.5%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **151 days**
## **Competition: brands, sellers & click share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**7 **▼falling
**Sellers**
**19**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 99%
**Open market**
**1%**
- Lifelines69% - Mindscope18% - Abhay4% - YoYa Toys3% - YUE MOTION2% - Special Supplies2% - Open — no brand owns it (1 brand, 1%)
## **liquid pen demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -17.1% search growth over the last 90 days.
15K10KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Mar, Nov, Dec · busiest ÷ quietest = 7.2×
[**Open Trend **](https://flapen.com/research/us/health-household/liquid-pen/trend)
## **Top liquid pen search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **bubble pen**14K/yr+823.7%1.4% conv. - **lava pens**51K/yr-35.5%2.0% conv. - **lifelines pen diffuser**32K/yr-32.0%2.1% conv. - **lifelines pens**14K/yr+9.6%2.5% conv. - **lifelines pen**29K/yr-46.1%1.9% conv. - **lava lamp pens**13K/yr-28.3%2.1% conv. - **lava pen**21K/yr-43.4%1.0% conv. - **lifeline pens**10K/yr-11.2%1.8% conv. - **liquid pens**9K/yr-2.3%0.3% conv. - **lifelines scented lava pens**12K/yr-44.1%4.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/liquid-pen/search-terms)
## **Top liquid pen products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$6K10%$12K15%$19K20%$25K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Lifelines Scented Lava Gel Pen Set 5-Pack (Brights) - 0.5mm Colored Gel Pens Infused with Scented Essential Oil Blends & Mesmerizing Lava - School Supplies for College Kids & Adults**Lifelines**$18.63**4.2★1,276 rev](https://www.amazon.com/dp/B0FH7JCZ8L) [2**Lifelines Scented Lava Gel Pen Set 10-Pack (Multi-Color) - 0.5mm Colored Gel Pens Infused with Scented Essential Oil Blends & Mesmerizing Lava - School Supplies for College Kids & Adults**Lifelines**$28.85**4.2★1,276 rev](https://www.amazon.com/dp/B0FH7JB3ZN) [3**Mindscope BubbleFX LED Light Up Bubble Sculptor Pen (Blue/Orange)**Mindscope**$24.99**3.6★12 rev](https://www.amazon.com/dp/B0GRCJBFXJ) [4**Lifelines Pen Diffuser Set Natures Escape 3-Pack 1mm Black Ballpoint Pens with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write**Lifelines**$28.90**4.4★2,108 rev](https://www.amazon.com/dp/B0FFQWJ8HG) [5**Lifelines Pen Diffuser Crisp Mountain Air - 1mm Black Ballpoint Pen with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write**Lifelines**$12.61**4.4★2,108 rev](https://www.amazon.com/dp/B0CCWRTVH2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mindscope BubbleFX LED Light Up Bubble Sculptor Pen (Blue/Orange)**Mindscope**$24.99**12 rev4mo ago](https://www.amazon.com/dp/B0GRCJBFXJ) [**Mindscope BubbleFX LED Light Up Bubble Sculptor Pen (Green/Yellow)**Mindscope**$24.93**12 rev4mo ago](https://www.amazon.com/dp/B0GRD5SZML) [**Smens Scented Glitter Gel Pens 12 Pack Colored Gel Pens with Sparkly Ink & Gourmet Scented Grips Fun School Supplies Cute Journaling Pens & Creative Stationery Gift Set**Scentco**$11.94**11,717 rev10mo ago](https://www.amazon.com/dp/B0FPTNJ2CH) [**Lifelines Scented Lava Gel Pen Set 10-Pack (Multi-Color) - 0.5mm Colored Gel Pens Infused with Scented Essential Oil Blends & Mesmerizing Lava - School Supplies for College Kids & Adults**Lifelines**$28.85**1,276 rev11mo ago](https://www.amazon.com/dp/B0FH7JB3ZN) [**Lifelines Writing Wellness Gift Set - Scented Writing Set Includes Finger Maze Sensory Journal 3 Scented Stacking Highlighters & 2 Lava Gel Pens - Aromatherapy & Sensory Immersion**Lifelines**$19.86**362 rev11mo ago](https://www.amazon.com/dp/B0FJP8TKD9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mindscope BubbleFX LED Light Up Bubble Sculptor Pen (Green/Yellow)**Mindscope**$24.93**3.6★**▲ 412%**](https://www.amazon.com/dp/B0GRD5SZML) [**Mindscope BubbleFX LED Light Up Bubble Sculptor Pen (Blue/Orange)**Mindscope**$24.99**3.6★**▲ 409%**](https://www.amazon.com/dp/B0GRCJBFXJ) [**Lifelines Pen Diffuser Set Diner Classics 3-Pack - 1mm Black Ballpoint Pens with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write**Lifelines**$22.41**4.4★**▲ 121%**](https://www.amazon.com/dp/B0F8FTGW11) [**Lifelines Pen Diffuser Set Natures Escape 3-Pack 1mm Black Ballpoint Pens with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write**Lifelines**$28.90**4.4★**▲ 105%**](https://www.amazon.com/dp/B0FFQWJ8HG) [**Lifelines Pen Diffuser Crisp Mountain Air - 1mm Black Ballpoint Pen with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write**Lifelines**$12.61**4.4★**▲ 56%**](https://www.amazon.com/dp/B0CCWRTVH2)
**~~View all trending →~~**
## **What reviews say buyers love and hate about liquid pen**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**32%
*“the smell is beautiful”*
**Fun/Entertainment Experience**17%
*“you have a great toy”*
**Color**9%
*“the colors are very bright”*
**Writing Experience**7%
*“Writes nice”*
**Quality-Overall**4%
*“Overall, this set is awesome, especially if you journal or take notes”*
**Value For Money**3%
*“value for the money”*
**Gifting Purpose**3%
*“My friend absolutely loved this gift I got her for Christmas”*
**Durability**1%
*“It is a very durable product”*
**Pen/Pencil Quality**1%
*“Glitter gel pens are great”*
**Advertised Vs Actual Product**1%
*“as advertised,”*
### **What buyers complain about **
**Smell**28%
*“Weird smell”*
**Value For Money**9%
*“they were more expensive in the store so I was able to get them bit cheaper here”*
**Durability**5%
*“Don't last”*
**Functionality-Overall**5%
*“it stops working randomly”*
**Quality-Overall**5%
*“Pens were not good quality”*
**Writing Experience**4%
*“Pens dont write”*
**Leak-Proof**4%
*“leaked everywhere”*
**Dry/Empty Ink**3%
*“Two out of the three pens ink was dry”*
**Ink Leakage**3%
*“BUT the ink went out on each in about one day”*
**Color**3%
*“The red and orange dont work well”*
### **Top return reasons **
**Smell**37%
**Leak-Proof**12%
**Functionality-Overall**8%
**Advertised Vs Actual Product**7%
**Ink Refill**5%
**Size-Overall**5%
**Writing Experience**4%
**Color**3%
**Defective Material/Parts**3%
**Value For Money**2%
## **Common liquid pen questions**
- **Is liquid pen profitable to sell on Amazon United States?**
- The niche generates $124K/yr across 21 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is -17.1%. Flapen's verdict: Skip it (44/100).
- **How competitive is the liquid pen niche?**
- 7 brands and 19 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in liquid pen?**
- Top complaints mined from reviews: Smell, Value For Money, Durability. The return rate is 1.2%.
- **When does demand for liquid pen peak?**
- Demand peaks in Jan–Mar–Nov–Dec; the busiest month runs 7.2× the quietest.
- **What does it cost to enter the liquid pen niche?**
- Listings span $11.50–$28.90; the average listing price is $19.02 (sweet spot $15–$100). The average incumbent carries 1,971 reviews — the moat a new listing must climb.
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