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54

ghk-cu

Worth a look

Shows low returns (0.1%), but soft demand (-6.0% this quarter) keeps it on the watch list.

Market size 37Growth 22Conversion 43Competition 44Returns 100Price range 83Avg price 94Brand share 66Review moat 65Quality gap 57

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Great€22.42

avg listing price — sweet spot $15–$100

Price range

Great€7.65–€55.66

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

Brand share

Good65%

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

Review moat

Good886.53

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay59%

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

Conversion

Okay3.5%

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

Market size

Okay€181K

€181K/yr · 233K searches

Growth

Bad-6.0%

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

According to Flapen's Amazon Germany niche tracking, ghk-cu is a €181K/yr Amazon Germany market (233K searches/yr). The top 5 brands hold 65% of demand. Verdict: Worth a look — 54/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

ghk-cu market data

Units sold / yr
6K–8K
avg 250–500/product
Revenue / yr
€135K–€179K
units × avg price
Conversion rate
3.5%
Avg BSR
#389
Page quality
0%
Prime
95%
Sponsored
100%
Out of stock
19.7%
Avg brand age
31 months
Avg seller age
171 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

40

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

59%

Top 20: 100%

Open market

30%

  • The Ordinary24%
  • TOSOWOONG19%
  • Originaturals8%
  • COSRX7%
  • SYNTHAGEN LABORATORIES7%
  • Nspiel5%

Demand

Weekly Amazon search volume, last 32 weeks — -6.0% search growth over the last 90 days.
9K7KSpike '26Nov '25Jan '26Feb '26Mar '26Apr '26May '26

Top ghk-cu search terms

  • ghk-cu93K/yr
  • ghk cu peptide29K/yr
  • ghk cu27K/yr
  • copper peptide15K/yr
  • ghkcu10K/yr
  • ghk-cu serum10K/yr
  • ghk cu creme7K/yr
  • ghkcu peptide5K/yr
  • ghk cu serum6K/yr
  • copper peptide serum5K/yr
All search terms

Top ghk-cu 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%€18K20%€36K30%€54K40%€72K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

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

What buyers say about ghk-cu

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

What buyers love

Qualität insgesamt23%

“Absolut perfect”

Eignung für Mischhaut11%

“La piel de mi rostro ha mejorado mucho,”

Saugfähigkeit7%

“zieht gut ein, sodass es sich leicht in meine Routine integrieren lässt.”

Feucht/Trocken6%

“Stark hydratierend”

Eignung für trockene Haut6%

“feuchtigkeitsspendendes Serum”

Weiches Gefühl5%

“Schönes Hautgefühl”

Komfort insgesamt5%

“Angenehm”

Vegan/Biologisch4%

“Diese Kapseln sind 100% vegan”

Einfache Anwendung3%

“Alles bestens, gut aufzutragen und zieht schnell ein”

Preis-Leistungs-Verhältnis3%

“Preislich absolut in Ordnung”

What buyers complain about

Preis-Leistungs-Verhältnis11%

“Etwas teuer”

Funktionalität insgesamt9%

“Hilft überhaupt nicht”

Allergien8%

“Meine Haut hat leider mit Irritationen reagiert”

beworben Vs Tatsächliches Produkt7%

“Pure Marketing”

Feucht/Trocken7%

“Das Serum ist viel zu wässrig”

Eignung für trockene Haut6%

“Haut ist hydriert”

Haftung/Klebrigkeit6%

“Das ist Quatsch - klebt”

Dicke4%

“Es gibt nichts besseres könnte Bischen dicker sein von der Konsistenz”

Hautgesundheit3%

“Meine Haut hat leider mit Irritationen reagiert”

Verdünnt/wässrig3%

“fühlt sich fast wie Wasser an”

Top return reasons

Inhaltsstoffe – insgesamt25%
Verdünnt/wässrig17%
Funktionalität insgesamt13%
Hautgesundheit13%
Feucht/Trocken13%
Eignung für Mischhaut13%
Qualität insgesamt4%
Farbe4%

Common questions

Is ghk-cu profitable to sell on Amazon Germany?
The niche generates €181K/yr across 19 tracked products. 3 of 13 products launched in the last 360 days are still selling. 90-day search growth is -6.0%. Flapen's verdict: Worth a look (54/100).
How competitive is the ghk-cu niche?
17 brands and 40 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in ghk-cu?
Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Funktionalität insgesamt, Allergien. The return rate is 0.1%.
What does it cost to enter the ghk-cu niche?
Listings span €7.65–€55.66; the average listing price is €22.42 (sweet spot $15–$100). The average incumbent carries 887 reviews — the moat a new listing must climb.