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Vitamin C Serum

Vitamin C Serum shows low returns (0.2%), but a deep review moat (10,997 avg reviews) keeps it on the watch list.

Flapen Score

55
Worth a look

Top 15% of 1,260 Kosmetik niches · +8 vs the category median of 47

Market size 64Growth 23Conversion 67Competition 38Returns 99Price range 68Avg price 74Brand share 56Review moat 21Quality gap 63
This niche Category average · 1,260 niches

Is Vitamin C Serum profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Vitamin C Serum is a €597K/yr Amazon Germany market (668K searches/yr). The top 5 brands hold 71% of demand. Verdict: Worth a look — 55/100.

Vitamin C Serum: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -4.7% over the last 90 days and 6.0% of searches end in a purchase.

€597K

revenue / yr

Units sold / yr40K
Search volume / yr-4.7%668K
Conversion rate6.0%
Avg price€14.85

Who owns the niche?

The top 5 brands hold 71% of demand, so 29% of the market is open.

29%

open market share

Brands · sellers17 · 128
Top-5 product click share62%
Open market29%
Avg brand age47 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 22 products

Sponsored placement86%
New entrants (1y)3· 3 succeeded
Avg rating4.4★
Avg reviews10,997

Top 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 take 62% of clicks — established leaders, but buyers still shop beyond them.

€0€30K€60K€90K€119K1001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 falling

Sellers

128

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

62%

Top 20: 98%

Open market

25%

  • Geek & Gorgeous21%
  • Florence17%
  • The Ordinary16%
  • Garnier12%
  • Soena6%
  • colibri skincare4%

Vitamin C Serum demand & seasonality

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

Volume668KCVR6.0%Products22Brands17Top 5 Brands71%OOS Rate0.0%Rating4.4★Reviews10,997Avg BSR#90
20K15KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Top Vitamin C Serum search terms shoppers use

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

  • vitamin c serum382K/yr
  • vitamin c serum gesicht75K/yr
  • geek and gorgeous c glow28K/yr
  • vitamin c gesicht19K/yr
  • vitamin c serum hochdosiert17K/yr
  • the ordinary vitamin c15K/yr
  • geek & gorgeous c-glow11K/yr
  • vit c serum13K/yr
  • garnier vitamin c serum17K/yr
  • serum vitamin c12K/yr

What reviews say buyers love and hate about Vitamin C Serum

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

What buyers love

79% of reviews
Qualität insgesamt20%

Quality

Eignung für Mischhaut16%

Beste Serum

Saugfähigkeit7%

Serum zieht schnell

Geruch7%

Wirksam, ohne Chemie und Parfum

Preis-Leistungs-Verhältnis7%

Preis Leistung super

What buyers complain about

63% of reviews
Allergien22%

Allergie

Geruch12%

Smell a bit off

Funktionalität insgesamt7%

Producto no efectivo

Symptomreduktion5%

Keine Verbesserung

beworben Vs Tatsächliches Produkt4%

مو منيح ابدا متل الإعلان يلي عم يروجولو كلو كذب

Vitamin C Serum return rate & reasons

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

0.2%

Return rate

0%

Fixable by listing

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

1Auslaufsicher
16%
2Geruch
15%
3Hautgesundheit
6%
4Funktionalität insgesamt
6%
5Qualität insgesamt
5%

Common Vitamin C Serum questions

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

Flapen scores Vitamin C Serum 55/100 on Amazon Germany — Worth a look. The niche generates €597K/yr across 22 tracked products. 3 of 3 products launched in the last 360 days are still selling. Search demand moved -4.7% over the last 90 days.
Search demand for Vitamin C Serum on Amazon Germany is steady year-round — the busiest month runs 1.6× the quietest.