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.

goku jyun

Skip it

A small market ($20K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.9%

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

Good5.4%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad11,645.57

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad93%

top-5 brand share — brand-locked demand

Growth

Bad-22.1%

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

Competition

Bad93%

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

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

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

93%

Top 20: 100%

Open market

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.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 8.7×

Open Trend

Top goku jyun search terms

hada labo cleansing oil16K/yr -24.8%3.9% conv.
hada labo oil cleanser2K/yr -8.6%6.7% conv.
hadalabo cleansing oil2K/yr -25.0%4.3% conv.
hada labo cleansing oil refill584/yr +4.1%7.1% conv.

All 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.

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

ROHTO Hadalabo Gokujun Cleansing Oil 200ml

肌ラボ$30.134.5★5,632 rev

Thunder Tech KOSE Softymo Speedy Cleansing Oil Bottle 230ml Makeup RemoverJapan Direct Import

Thunder Tech$11.104.6★1,838 rev

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$16.824.4★28,009 rev

SKIN1004 Madagascar Centella Light Cleansing Oil 6.76 fl.oz 200ml | Gentle Oil Cleanser for Face Korean Facial Cleanser Double Cleansing

SKIN1004$14.434.6★12,917 rev

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$21.734.6★24,224 rev

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$17.412,142 rev

2y ago

Thunder Tech KOSE Softymo Speedy Cleansing Oil Bottle 230ml Makeup RemoverJapan Direct Import

Thunder Tech$11.101,838 rev

2y ago

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$16.8228,009 rev

3y ago

SKIN1004 Madagascar Centella Light Cleansing Oil 6.76 fl.oz 200ml | Gentle Oil Cleanser for Face Korean Facial Cleanser Double Cleansing

SKIN1004$14.4312,917 rev

7y ago

MANYO Pure Cleansing Oil Natural Oil Cleanser for Face Makeup Blackhead Remover Korean Skin Care 6.76 fl oz (200ml)

ma:nyo$16.736,757 rev

9y ago

What buyers say about goku jyun

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

What buyers love

Cleansing22%

“Good cleanser”

Suitability Combination Skin9%

“Works for my sensitive skin”

Quality-Overall8%

“This one had good reviews”

Soft Feel8%

“So soft”

Ease Of Cleaning7%

“Great cleanser,”

Smell6%

“Fragrance is really strong”

Moist/Dry4%

“Helps out my dry skin”

Suitability Dry Skin4%

“Helps out my dry skin”

Suitability Oily Skin3%

“works great for my oily skin”

Value For Money3%

“Great value”

What buyers complain about

Allergies11%

“Made me break out in hives”

Smell9%

“strong scent”

Skin Health6%

“Irritated Skin”

Oily/Greasy5%

“Oily skin”

Ease Of Cleaning4%

“not an amazing cleanser”

Sensitivity-Overall4%

“I had burning”

Functionality-Overall4%

“Didn't work for me”

Suitability Combination Skin3%

“This is definitely not made for all skin types”

Suitability Dry Skin3%

“isnt the best for dry skin”

Moist/Dry2%

“that can get slightly dry”

Top return reasons

Smell18%

Advertised Vs Actual Product11%

Value For Money10%

Functionality-Overall8%

Motor Power7%

Leak-Proof6%

Oily/Greasy6%

Skin Health4%