Is thyroid castor oil neck wrap profitable to sell on Amazon United States?

The niche generates $41K/yr across 12 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -43.0%. Flapen's verdict: Skip it (41/100).

How competitive is the thyroid castor oil neck wrap niche?

8 brands and 13 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in thyroid castor oil neck wrap?

Top complaints mined from reviews: Material Quality, Vegan/Organic, Advertised Vs Actual Product. The return rate is 1.2%.

When does demand for thyroid castor oil neck wrap peak?

Demand peaks in Jan–Feb; the busiest month runs 2.0× the quietest.

What does it cost to enter the thyroid castor oil neck wrap niche?

Listings span $5.52–$44.91; the average listing price is $15.63 (sweet spot $15–$100). The average incumbent carries 5,295 reviews — the moat a new listing must climb.

thyroid castor oil neck wrap

Skip it

Soft demand (-43.0% this quarter) — this niche doesn't clear our bar today.

Returns

Great1.2%

return rate — above 5% kills the launch gate

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great$15.63

avg listing price — sweet spot $15–$100

Price range

Great$5.52–$44.91

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Good6.6%

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

Brand share

Okay89%

top-5 brand share — brands hold most of the demand

Review moat

Bad5,295.25

avg incumbent reviews — the moat a new listing must climb

Competition

Bad76%

top-5 click share — a locked-up shelf

Market size

Bad$41K

$41K/yr · 40K searches

Growth

Bad-43.0%

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

According to Flapen's Amazon United States niche tracking, thyroid castor oil neck wrap is a $41K/yr Amazon United States market (40K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 41/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

thyroid castor oil neck wrap market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $39K–$47K; units × avg price
Conversion rate: 6.6%
Avg BSR: #5,526
Page quality: 0%
Prime: 100%
Sponsored: 75%
Out of stock: 0.0%
Avg brand age: 24 months
Avg seller age: 203 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

glitz52%
QUEEN OF THE THRONES16%
Uwbettry8%
Tweruna7%
Handcraft Blends6%
YHOVID5%
Open — no brand owns it (2 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -43.0% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 2.0×

Open Trend

Top thyroid castor oil neck wrap search terms

castor oil neck wrap20K/yr -56.2%4.8% conv.
thyroid castor oil neck wrap12K/yr -16.0%6.5% conv.
castor oil pack for neck4K/yr -39.4%6.4% conv.
castor oil thyroid pack2K/yr +24.1%3.3% conv.
castor oil pack wrap for thyroid neck2K/yr -67.1%3.2% conv.

All search terms

Top thyroid castor oil neck wrap 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★)1 product missing review or click data not plotted

All 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Castor Oil Pack for Thyroid - Reusable Organic Castor Oil Neck Wrap for Thyroid Less Mess Anti Oil Leak Comfort Fit Oil Not Included (White)

glitz$9.854.4★833 rev

QUEEN OF THE THRONES Castor Oil Pack for Thyroid - Heatless Less-Mess Reusable - Organic Cotton Flannel Comfort Fit Soft Straps & Naturopathic Doctor Designed

QUEEN OF THE THRONES$32.594.5★436 rev

Castor Oil Pack for Thyroid - Organic Castor Oil Neck Wrap Reusable Leak-Proof Design Less Mess Comfort Fit Oil Not Included (Violet)

glitz$10.154.4★833 rev

Uwbettry 2 Pcs Thyroid Castor Oil Neck Wrap Reusable Castor Oil Compress Pack Wrap for Thyroid Neck Organic Cotton Flannel Less Mess Comfort Fit (White+Pale Khaki)

Uwbettry$9.334.2★146 rev

Handcraft Blends$22.424.6★57,683 rev

Newest

by launch date

2 Pack Thyroid Castor Oil Neck Wrap Reusable Neck Castor Oil Pack for Thyroid Women Men Comfort Fit (Khaki)

Tweruna$5.520 rev

6mo ago

Vanera Castor Oil Neck Wrap 100% Certified Organic Castor Oil Reusable Thyroid Neck Wrap for Gentle Daily Self Care

Vanera$18.5872 rev

10mo ago

2 Pack Thyroid Castor Oil Neck Wrap Reusable Neck Castor Oil Pack for Thyroid Women Men Comfort Fit (White Khaki)

Tweruna$6.005 rev

1y ago

Handcraft Blends$22.4257,683 rev

1y ago

4 Pcs Castor Oil Pack Wrap Organic Cotton for Liver Detox Stomach Belly Neck Breast & Entire Body Reusable Pads Kit for Hot/Cold Compress with Adjustable Elastic Strap Waterproof & Anti Oil Leak

YHOVID$9.351,511 rev

2y ago

What buyers say about thyroid castor oil neck wrap

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

What buyers love

Quality-Overall16%

“Castor oil seems to be good quality”

Ease Of Use9%

“Easy to use”

Size-Overall9%

“Since I have received it, I like how it feels and the size of everything is big and fits well”

Comfort-Overall9%

“Nice and comfortable”

Soft Feel5%

“Super effective to ease pain and soften skin”

Value For Money5%

“Easy to do since It is so cost effective”

Absorbency5%

“It feels like the product is actually absorbing effectively”

Advertised Vs Actual Product5%

“It's exactly like the picture”

Efficiency4%

“Works well”

Leak-Proof3%

“No leaks”

What buyers complain about

Material Quality18%

“Material Not As Advertised”

Vegan/Organic11%

“This is not organic cotton”

Advertised Vs Actual Product9%

“advertisement is misleading”

Leak-Proof5%

“it is not leak proof”

Stretchability/Expandability/Elasticity4%

“Just this weird fabric circle with weird elastic that does nothing”

Durability4%

“one of the buttons broke after the first use”

Quality-Overall3%

“This product is very cheap and misleading”

Design-Overall3%

“They couldve done a way way way more comprehensive design than this”

Product Condition3%

“My item was supposed to be a New item”

Size-Overall2%

“doesnt fit or stay put”

Top return reasons

Advertised Vs Actual Product18%

Material Quality18%

Size-Overall17%

Functionality-Overall7%

Leak-Proof6%

Comfort-Overall6%

Oily/Greasy5%

Defective Material/Parts4%

Smell3%