---
title: "Goku Jyun — $20K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/goku-jyun"
last_updated: "2026-08-11T11:25:00.753Z"
locale: en
meta:
description: "Niche score 34/100 · $20K/yr market · 20K searches/yr · $18.34 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $20K/yr market · 20K searches/yr · $18.34 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Goku Jyun — $20K/yr Amazon US Niche (2026) - Flapen"
---
# **goku jyun**
**Skip it**
A small market ($20K/yr) — this niche doesn't clear our bar today.
Market size 5Growth 14Conversion 61Competition 6Returns 95Price range 79Avg price 83Brand share 17Review moat 21Quality gap 35
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.34**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.10–$30.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****5.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****11,645.57**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-22.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****93%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$20K**
$20K/yr · 20K searches
According to Flapen's Amazon United States niche tracking, goku jyun is a $20K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 34/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **goku jyun market data**
- **Units sold / yr**
- **1K–1K**
- avg 100–250/product
- **Revenue / yr**
- **$18K–$23K**
- units × avg price
- **Conversion rate**
- **5.4%**
- **Avg BSR**
- **#32**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **71 months**
- **Avg seller age**
- **148 days**
## **Competition & brand share**
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **—flat
**Sellers**
**41**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**93%**
Top 20: 100%
**Open market**
**3%**
- 肌ラボ63% - Thunder Tech9% - ANUA8% - SKIN10048% - DHC4% - Beauty of Joseon4% - Open — no brand owns it (1 brand, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -22.1% search growth over the last 90 days.
8K6KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 8.7×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/goku-jyun/trend)
## **Top goku jyun search terms**
- **hada labo cleansing oil**16K/yr-24.8%3.9% conv. - **hada labo oil cleanser**2K/yr-8.6%6.7% conv. - **hadalabo cleansing oil**2K/yr-25.0%4.3% conv. - **hada labo cleansing oil refill**584/yr+4.1%7.1% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/goku-jyun/search-terms)
## **Top goku jyun 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%20%$4K40%$8K60%$12K80%$16K1K10K100K 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**ROHTO Hadalabo Gokujun Cleansing Oil 200ml**肌ラボ**$30.13**4.5★5,632 rev](https://www.amazon.com/dp/B004OQHZ2M) [2**Thunder Tech KOSE Softymo Speedy Cleansing Oil Bottle 230ml Makeup RemoverJapan Direct Import**Thunder Tech**$11.10**4.6★1,838 rev](https://www.amazon.com/dp/B0CGCCR1NH) [3**Anua Heartleaf Pore Control Cleansing Oil Pore Cleanser Sebum Care Gentle Melting Oil Cleanser for Face Safe For All Skin Type Daily Hydrating Makeup Remover Korean Skin Care (6.76fl.oz)**ANUA**$16.82**4.4★28,009 rev](https://www.amazon.com/dp/B0BN2PX8V3) [4**SKIN1004 Madagascar Centella Light Cleansing Oil 6.76 fl.oz 200ml | Gentle Oil Cleanser for Face Korean Facial Cleanser Double Cleansing**SKIN1004**$14.43**4.6★12,917 rev](https://www.amazon.com/dp/B07T5BN3P2) [5**DHC Deep Cleansing Oil Facial Cleansing Oil Makeup Remover Cleanses without Clogging Pores Residue-Free Fragrance and Colorant Free All Skin Types 6.7 fl. oz.**DHC**$21.73**4.6★24,224 rev](https://www.amazon.com/dp/B001UE60E0)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Beauty of Joseon Ginseng Cleansing Oil Waterproof Makeup Remover for Sensitive Acne-Prone Facial Skin. Korean Skin Care for Men and Women 210ml 7.1 fl.oz**Beauty of Joseon**$17.41**2,142 rev2y ago](https://www.amazon.com/dp/B0D1Q43KQZ) [**Thunder Tech KOSE Softymo Speedy Cleansing Oil Bottle 230ml Makeup RemoverJapan Direct Import**Thunder Tech**$11.10**1,838 rev2y ago](https://www.amazon.com/dp/B0CGCCR1NH) [**Anua Heartleaf Pore Control Cleansing Oil Pore Cleanser Sebum Care Gentle Melting Oil Cleanser for Face Safe For All Skin Type Daily Hydrating Makeup Remover Korean Skin Care (6.76fl.oz)**ANUA**$16.82**28,009 rev3y ago](https://www.amazon.com/dp/B0BN2PX8V3) [**SKIN1004 Madagascar Centella Light Cleansing Oil 6.76 fl.oz 200ml | Gentle Oil Cleanser for Face Korean Facial Cleanser Double Cleansing**SKIN1004**$14.43**12,917 rev7y ago](https://www.amazon.com/dp/B07T5BN3P2) [**MANYO Pure Cleansing Oil Natural Oil Cleanser for Face Makeup Blackhead Remover Korean Skin Care 6.76 fl oz (200ml)**ma:nyo**$16.73**6,757 rev9y ago](https://www.amazon.com/dp/B01N5K834V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SKIN1004 Madagascar Centella Light Cleansing Oil 6.76 fl.oz 200ml | Gentle Oil Cleanser for Face Korean Facial Cleanser Double Cleansing**SKIN1004**$14.43**4.6★**▲ 90%**](https://www.amazon.com/dp/B07T5BN3P2) [**MANYO Pure Cleansing Oil Natural Oil Cleanser for Face Makeup Blackhead Remover Korean Skin Care 6.76 fl oz (200ml)**ma:nyo**$16.73**4.6★**▲ 15%**](https://www.amazon.com/dp/B01N5K834V) [**ROHTO Hadalabo Gokujun Cleansing Oil 200ml**肌ラボ**$30.13**4.5★**— 5%**](https://www.amazon.com/dp/B004OQHZ2M) [**Thunder Tech KOSE Softymo Speedy Cleansing Oil Bottle 230ml Makeup RemoverJapan Direct Import**Thunder Tech**$11.10**4.6★**— 1%**](https://www.amazon.com/dp/B0CGCCR1NH) [**Anua Heartleaf Pore Control Cleansing Oil Pore Cleanser Sebum Care Gentle Melting Oil Cleanser for Face Safe For All Skin Type Daily Hydrating Makeup Remover Korean Skin Care (6.76fl.oz)**ANUA**$16.82**4.4★**▼ 13%**](https://www.amazon.com/dp/B0BN2PX8V3)
**~~View all trending →~~**
## **What buyers say about goku jyun**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Cleansing**22%
*“Good cleanser”*
**Suitability Combination Skin**9%
*“Works for my sensitive skin”*
**Quality-Overall**8%
*“This one had good reviews”*
**Soft Feel**8%
*“So soft”*
**Ease Of Cleaning**7%
*“Great cleanser,”*
**Smell**6%
*“Fragrance is really strong”*
**Moist/Dry**4%
*“Helps out my dry skin”*
**Suitability Dry Skin**4%
*“Helps out my dry skin”*
**Suitability Oily Skin**3%
*“works great for my oily skin”*
**Value For Money**3%
*“Great value”*
### **What buyers complain about **
**Allergies**11%
*“Made me break out in hives”*
**Smell**9%
*“strong scent”*
**Skin Health**6%
*“Irritated Skin”*
**Oily/Greasy**5%
*“Oily skin”*
**Ease Of Cleaning**4%
*“not an amazing cleanser”*
**Sensitivity-Overall**4%
*“I had burning”*
**Functionality-Overall**4%
*“Didn't work for me”*
**Suitability Combination Skin**3%
*“This is definitely not made for all skin types”*
**Suitability Dry Skin**3%
*“isnt the best for dry skin”*
**Moist/Dry**2%
*“that can get slightly dry”*
### **Top return reasons **
**Smell**18%
**Advertised Vs Actual Product**11%
**Value For Money**10%
**Functionality-Overall**8%
**Motor Power**7%
**Leak-Proof**6%
**Oily/Greasy**6%
**Skin Health**4%
**Suitability Combination Skin**3%
**Product Condition**3%
## **Common questions**
- **Is goku jyun profitable to sell on Amazon United States?**
- The niche generates $20K/yr across 7 tracked products. 90-day search growth is -22.1%. Flapen's verdict: Skip it (34/100).
- **How competitive is the goku jyun niche?**
- 7 brands and 41 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in goku jyun?**
- Top complaints mined from reviews: Allergies, Smell, Skin Health. The return rate is 0.9%.
- **When does demand for goku jyun peak?**
- Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 8.7× the quietest.
- **What does it cost to enter the goku jyun niche?**
- Listings span $11.10–$30.13; the average listing price is $18.34 (sweet spot $15–$100). The average incumbent carries 11,646 reviews — the moat a new listing must climb.
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