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karseell collagen hair mask

Worth a look

Shows low returns (0.7%), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.

Market size 42Growth 15Conversion 42Competition 37Returns 96Price range 91Avg price 95Brand share 5Review moat 67Quality gap 86

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Avg price

Incredible€28.51

avg listing price — sweet spot $15–$100

Price range

Great€12.78–€57.49

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

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Good804.33

avg incumbent reviews — the moat a new listing must climb

Market size

Okay€217K

€217K/yr · 224K searches

Conversion

Okay3.4%

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

Competition

Okay63%

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

Growth

Bad-20.8%

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

Brand share

Bad98%

top-5 brand share — brand-locked demand

According to Flapen's Amazon Germany niche tracking, karseell collagen hair mask is a €217K/yr Amazon Germany market (224K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Nov. Verdict: Worth a look — 50/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

karseell collagen hair mask market data

Units sold / yr
5K–6K
avg 250–500/product
Revenue / yr
€143K–€171K
units × avg price
Conversion rate
3.4%
Avg BSR
#220
Page quality
0%
Prime
95%
Sponsored
95%
Out of stock
1.2%
Avg brand age
46 months
Avg seller age
173 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

6 flat

Sellers

41

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

63%

Top 20: 99%

Open market

0%

  • Karseell85%
  • I Belli Capelli5%
  • Beyn Beauty3%
  • Baldebosse2%
  • FANOLA2%
  • EONFAVE2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -20.8% search growth over the last 90 days.
8K6KPrime Day '24Spike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 2.2×

Top karseell collagen hair mask search terms

  • karseell78K/yr
  • karsell collagen hair mask19K/yr
  • botox haare18K/yr
  • karseell collagen hair mask50K/yr
  • hair botox10K/yr
  • karseel10K/yr
  • haarbotox7K/yr
  • karsell7K/yr
  • karsell collagen hair mask purple3K/yr
  • karseell shampoo3K/yr
All search terms

Top karseell collagen hair mask 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%€22K20%€43K30%€65K40%€87K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about karseell collagen hair mask

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

What buyers love

Weiches Gefühl13%

“Schon beim ersten Benutzen hatte ich dieses richtig weiche, definierte Finish ohne harte crunchy Strähnen”

Qualität insgesamt13%

“Bestes Produkt”

Geruch9%

“Geruch”

beworben Vs Tatsächliches Produkt6%

“Tut was es soll”

Eignung für lockiges Haar6%

“Einfach so dieser effortless curly girl Look”

Haarstyling5%

“Super Haarpflege”

Eignung Glattes Haar5%

“Wohlfühlhaare”

Feucht/Trocken4%

“Das Volumen-Shampoo wäscht sanft, ohne auszutrocknen – meine feinen Haare fühlen sich danach leicht und frisch an, kein plattes Gefühl”

Haarwachstum4%

“Die Kollagen-Haarmaske ist der absolute Favorit: Sie dringt tief in die Haarstruktur ein, repariert geschädigte Stellen und verleiht sichtbar mehr Glanz und Vitalität”

Benutzerfreundlichkeit3%

“überzeugend und unproblematisch”

What buyers complain about

Preis-Leistungs-Verhältnis17%

“schade für den Preis”

Farbe12%

“Nix Farbe”

beworben Vs Tatsächliches Produkt7%

“Hält nicht, was versprochen wird”

Funktionalität insgesamt5%

“Hält nicht was es verspricht”

Geruch4%

“ausserdem stinken die Produkte.”

Feucht/Trocken3%

“Nicht gute shampoo harre machen sehr trocken”

Haarverwandt3%

“Gleichzeitig wird Frizz reduziert, also das unkontrollierte Abstehen einzelner Haare, was insbesondere bei feuchtem oder trockenem Klima ein häufiges Problem bei lockigem Haar ist”

Eignung für lockiges Haar2%

“Vielleicht auch nicht für naturkrauses Haar geeignet”

Haltbarkeit2%

“hält aber nicht lange.”

Eignung für kurzes Haar2%

“Achtung hilft nicht gut bei sprödem Haar”

Top return reasons

Funktionalität insgesamt15%
Gesamtgröße14%
beworben Vs Tatsächliches Produkt10%
Auslaufsicher7%
Eignung für gefärbtes Haar7%
Qualität insgesamt7%
Ölig/fettig5%
Farbe4%
Preis-Leistungs-Verhältnis4%
schädigen/verbrennen Haare4%

Common questions

Is karseell collagen hair mask profitable to sell on Amazon Germany?
The niche generates €217K/yr across 21 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -20.8%. Flapen's verdict: Worth a look (50/100).
How competitive is the karseell collagen hair mask niche?
6 brands and 41 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in karseell collagen hair mask?
Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Farbe, beworben Vs Tatsächliches Produkt. The return rate is 0.7%.
When does demand for karseell collagen hair mask peak?
Demand peaks in Nov; the busiest month runs 2.2× the quietest.
What does it cost to enter the karseell collagen hair mask niche?
Listings span €12.78–€57.49; the average listing price is €28.51 (sweet spot $15–$100). The average incumbent carries 804 reviews — the moat a new listing must climb.