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Serum Korean

soft demand (-45.2% this quarter) — Serum Korean doesn't clear our bar today.

Flapen Score

36
Skip it

Ranks 1,131 of 1,260 Kosmetik niches · −11 vs the category median of 47

Market size 22Growth 2Conversion 61Competition 21Returns 99Price range 58Avg price 55Brand share 17Review moat 17Quality gap 53
This niche Category average · 1,260 niches

Is Serum Korean profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Serum Korean is a €86K/yr Amazon Germany market (130K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 36/100.

Serum Korean: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -45.2% over the last 90 days and 5.3% of searches end in a purchase.

€86K

revenue / yr

Units sold / yr5K
Search volume / yr-45.2%130K
Conversion rate5.3%
Avg price€12.64

Who owns the niche?

The top 5 brands hold 93% of demand, so 7% of the market is open.

7%

open market share

Brands · sellers9 · 140
Top-5 product click share75%
Open market7%
Avg brand age38 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 · 16 products

Sponsored placement94%
New entrants (1y)2· 2 succeeded
Avg rating4.4★
Avg reviews17,946

Top Serum Korean 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 75% of clicks — a locked-up shelf that new listings rarely crack.

€0€9K€17K€26K€34K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 flat

Sellers

140

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

5%

  • Beauty of Joseon71%
  • medicube9%
  • COSRX6%
  • The Ordinary4%
  • MIZON2%
  • d'alba Piedmont2%
  • Open — no brand owns it (3 brands, 5%)

Serum Korean demand & seasonality

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

Volume130KCVR5.3%Products16Brands9Top 5 Brands93%OOS Rate0.0%Rating4.4★Reviews17,946Avg BSR#105
6K4KHoliday '24Spike '25Prime Day '25Black Friday '25DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

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

Top Serum Korean search terms shoppers use

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

  • serum korean skincare25K/yr
  • beauty of joseon serum23K/yr
  • glow serum16K/yr
  • beauty of joseon glow serum14K/yr
  • brightening serum8K/yr
  • gesichtsseren3K/yr
  • beauty of joseon glow deep serum3K/yr
  • skincare serum4K/yr
  • serum gesicht korean4K/yr
  • glow serum beauty of joseon3K/yr

What reviews say buyers love and hate about Serum Korean

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

What buyers love

79% of reviews
Qualität insgesamt19%

Very good product

Eignung für Mischhaut14%

Bestes Gesichtsserum

Eignung für trockene Haut8%

Schönes Serum für die Skin Care Routine

Feucht/Trocken7%

Wer hydration sucht ist hier sicher gut bedient, mehr aver auch nicht

Weiches Gefühl7%

Fühlt sich gut an

What buyers complain about

60% of reviews
Allergien11%

Meine Haut wirkte gereizt und unruhig

Funktionalität insgesamt11%

wirkt nichts

Symptomreduktion8%

ich sehe noch keine Veränderung Auf meiner Haut

Haftung/Klebrigkeit7%

Klebrig und ölig

Preis-Leistungs-Verhältnis6%

Geldverschwendung

Serum Korean return rate & reasons

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

0.1%

Return rate

0%

Fixable by listing

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

1Gesamtgröße
11%
2Geruch
11%
3Funktionalität insgesamt
10%
4beworben Vs Tatsächliches Produkt
9%
5Preis-Leistungs-Verhältnis
8%

Common Serum Korean questions

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

Flapen scores Serum Korean 36/100 on Amazon Germany — Skip it. The niche generates €86K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. Search demand moved -45.2% over the last 90 days.
Search demand for Serum Korean on Amazon Germany peaks in Feb–Mar, where the busiest month runs 2.0× the quietest.