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Anua Vitamin C Serum

a concentrated shelf (top 5 take 100% of clicks) — Anua Vitamin C Serum doesn't clear our bar today.

Flapen Score

40
Skip it

Ranks 8,668 of 10,978 Beauty & Personal Care niches · −8 vs the category median of 48

Market size 47Growth 20Conversion 79Competition 0Returns 96Price range 50Avg price 79Brand share 0Review moat 19Quality gap 50
This niche Category average · 10,978 niches

Is Anua Vitamin C Serum profitable on Amazon?

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.

Anua Vitamin C Serum: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -10.5% over the last 90 days and 8.0% of searches end in a purchase.

$252K

revenue / yr

Units sold / yr20K
Search volume / yr-10.5%190K
Conversion rate8.0%
Avg price$16.58

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers3 · 7
Top-5 product click share100%
Open market0%
Avg brand age56 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 4 products

Sponsored placement100%
New entrants (1y)2· 2 succeeded
Avg rating4.5★
Avg reviews15,347

Top Anua Vitamin C Serum products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

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

$0$50K$101K$151K$202K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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%

Anua Vitamin C Serum demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume190KCVR8.0%Products4Brands3Top 5 Brands100%OOS Rate25.0%Rating4.5★Reviews15,347Avg BSR#194
60K40KSpike '25Black Friday '25Spike '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26

Top Anua Vitamin C Serum search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • 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

What reviews say buyers love and hate about Anua Vitamin C Serum

What buyers mention most, as a share of all reviews.

What buyers love

78% of reviews
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

What buyers complain about

49% of reviews
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

Anua Vitamin C Serum return rate & reasons

Why buyers send it back, as a share of all return requests.

0.8%

Return rate

11%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Leak-Proof
22%
2Functionality-Overall
9%
3Advertised Vs Actual Product
8%
4Smell
8%
5Moist/Dry
6%

Common Anua Vitamin C Serum questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Anua Vitamin C Serum 40/100 on Amazon United States — Skip it. The niche generates $252K/yr across 4 tracked products. 2 of 2 products launched in the last 360 days are still selling. Search demand moved -10.5% over the last 90 days.
Anua Vitamin C Serum buyers on Amazon United States complain most about Smell, Allergies, Functionality-Overall, the themes mined from the niche's reviews. Its return rate is 0.8%.