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61

calcium hydroxyapatite

Worth a look

Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 39Growth 47Conversion 80Competition 42Returns 98Price range 86Avg price 95Brand share 59Review moat 52Quality gap 63

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Incredible$23.70

avg listing price — sweet spot $15–$100

Price range

Great$9.63–$54.91

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

Conversion

Great8.1%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Good69%

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

Review moat

Good1,429.53

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+17.3%

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

Competition

Okay60%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$197K

$197K/yr · 102K searches

According to Flapen's Amazon United States niche tracking, calcium hydroxyapatite is a $197K/yr Amazon United States market (102K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in May–Aug. Verdict: Worth a look — 61/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

calcium hydroxyapatite market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
$142K–$190K
units × avg price
Conversion rate
8.1%
Avg BSR
#611
Page quality
0%
Prime
100%
Sponsored
95%
Out of stock
5.5%
Avg brand age
38 months
Avg seller age
155 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

25

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

25%

  • Generic25%
  • XingXoom14%
  • XYFSZDQJZHG11%
  • iReaLax11%
  • OraWellness8%
  • ROLUXY6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +17.3% search growth over the last 90 days.
10K6KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Aug · busiest ÷ quietest = 2.8×

Top calcium hydroxyapatite 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%10%$20K20%$39K30%$59K40%$79K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

What buyers say about calcium hydroxyapatite

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

What buyers love

Oral Hygiene16%

“Great for Sensitive Teeth”

Quality-Overall11%

“As Advertised - Very Satisfied”

Tooth Brightening11%

“Whitening toothpaste”

Ease Of Use7%

“its been really easy to work with”

Taste-Overall6%

“Great mint taste”

Tooth Sensitivity5%

“Noticeable improvement in tooth sensitivity”

Cleansing5%

“Great clean feeling”

Value For Money4%

“Good deal”

Efficiency3%

“Highly Effective”

Advertised Vs Actual Product3%

“Does the job as advertised”

What buyers complain about

Oral Hygiene9%

“teeth felt worse”

Taste-Overall8%

“Horrible Taste”

Functionality-Overall8%

“Didn't work for me”

Value For Money6%

“just expensive”

Ease Of Use5%

“not straightforward to use”

Ease Of Cleaning4%

“make a mess”

Advertised Vs Actual Product3%

“But am disappointed on the misleading volume”

Tooth Sensitivity3%

“Caused tooth pain”

Flavor2%

“Unusual flavor”

Size-Overall2%

“small sized tube”

Top return reasons

Advertised Vs Actual Product15%
Taste-Overall11%
Ingredients-Overall9%
Flavor8%
Tooth Sensitivity7%
Functionality-Overall7%
Leak-Proof5%
Oral Hygiene5%
Tooth Brightening5%
Value For Money4%

Common questions

Is calcium hydroxyapatite profitable to sell on Amazon United States?
The niche generates $197K/yr across 19 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is +17.3%. Flapen's verdict: Worth a look (61/100).
How competitive is the calcium hydroxyapatite niche?
16 brands and 25 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in calcium hydroxyapatite?
Top complaints mined from reviews: Oral Hygiene, Taste-Overall, Functionality-Overall. The return rate is 0.4%.
When does demand for calcium hydroxyapatite peak?
Demand peaks in May–Aug; the busiest month runs 2.8× the quietest.
What does it cost to enter the calcium hydroxyapatite niche?
Listings span $9.63–$54.91; the average listing price is $23.70 (sweet spot $15–$100). The average incumbent carries 1,430 reviews — the moat a new listing must climb.