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anua vitamin c serum

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 47Growth 20Conversion 79Competition 0Returns 96Price range 50Avg price 79Brand share 0Review moat 19Quality gap 50

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Conversion

Great8.0%

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

Avg price

Great$16.58

avg listing price — sweet spot $15–$100

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Price range

Good$8.77–$21.30

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

Market size

Okay$252K

$252K/yr · 190K searches

Growth

Bad-10.5%

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

Review moat

Bad15,347

avg incumbent reviews — the moat a new listing must climb

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, anua vitamin c serum is a $252K/yr Amazon United States market (190K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

anua vitamin c serum market data

Units sold / yr
15K–20K
avg 2,000–2,500/product
Revenue / yr
$249K–$332K
units × avg price
Conversion rate
8.0%
Avg BSR
#194
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
25.0%
Avg brand age
56 months
Avg seller age
126 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

7

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • COSRX91%
  • SeoulCeuticals5%
  • ELBBUB4%

Demand

Weekly Amazon search volume, last 49 weeks — -10.5% search growth over the last 90 days.
60K40KSpike '25Black Friday '25Spike '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26

Top anua vitamin c serum search terms

  • cosrx vitamin c62K/yr
  • cosrx vitamin c serum c-2329K/yr
  • 20% vitamin c serum17K/yr
  • vitamin c serum 20%15K/yr
  • cosrx vitamin c serum22K/yr
  • cosrx the vitamin c 23 serum8K/yr
  • vitamin c serum cosrx6K/yr
  • cosrx vitamin c 135K/yr
  • vitamin c cosrx5K/yr
  • vitamin c 20% serum4K/yr
All search terms

Top anua vitamin c serum 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%$50K40%$101K60%$151K80%$202K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

What buyers say about anua vitamin c serum

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

What buyers love

Quality-Overall17%

“As good as the expensive brands”

Suitability Combination Skin15%

“good in skin”

Brightness/Shine/Glow8%

“gives it shine”

Soft Feel7%

“This smooths out skin”

Value For Money7%

“Reasonably priced”

Smell6%

“is fragrance-free”

Absorbency5%

“absorbs well”

Moist/Dry5%

“Good Skin Moisturizer”

Suitability Dry Skin4%

“This makes it perfect for layering under moisturizer”

Efficiency4%

“This product is very effective”

What buyers complain about

Smell11%

“Strong very unpleasant smell”

Allergies7%

“irritating”

Functionality-Overall5%

“Didn't notice any results”

Moist/Dry5%

“is not as dry”

Advertised Vs Actual Product4%

“Felt like this product was a little misleading”

Dilute/Watery4%

“It is very watery”

Thickness3%

“Very thin”

Suitability Dry Skin3%

“it destroyed my skin”

Leak-Proof3%

“it kind of drip all over”

Value For Money3%

“Definitely not really worth the purchase”

Top return reasons

Leak-Proof22%
Functionality-Overall9%
Advertised Vs Actual Product8%
Smell8%
Moist/Dry6%
Value For Money6%
Skin Health4%
Ingredients-Overall4%
Dilute/Watery3%
Product Condition3%

Common questions

Is anua vitamin c serum profitable to sell on Amazon United States?
The niche generates $252K/yr across 4 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -10.5%. Flapen's verdict: Skip it (40/100).
How competitive is the anua vitamin c serum niche?
3 brands and 7 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in anua vitamin c serum?
Top complaints mined from reviews: Smell, Allergies, Functionality-Overall. The return rate is 0.8%.
What does it cost to enter the anua vitamin c serum niche?
Listings span $8.77–$21.30; the average listing price is $16.58 (sweet spot $15–$100). The average incumbent carries 15,347 reviews — the moat a new listing must climb.