Skip to content
46

kerastase genesis serum

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 87Growth 12Conversion 35Competition 20Returns 95Price range 86Avg price 95Brand share 0Review moat 25Quality gap 45

Returns

Incredible1.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$34.70

avg listing price — sweet spot $15–$100

Market size

Great$1.5M

$1.5M/yr · 1.6M searches

Price range

Great$7.12–$76.69

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.8%

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

Review moat

Bad4,836.77

avg incumbent reviews — the moat a new listing must climb

Competition

Bad76%

top-5 click share — a locked-up shelf

Growth

Bad-26.6%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, kerastase genesis serum is a $1.5M/yr Amazon United States market (1.6M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar–Apr–Jun. Verdict: Skip it — 46/100.

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

kerastase genesis serum market data

Units sold / yr
50K–60K
avg 3,000–4,000/product
Revenue / yr
$1.7M–$2.1M
units × avg price
Conversion rate
2.8%
Avg BSR
#38
Page quality
0%
Prime
100%
Sponsored
69%
Out of stock
0.0%
Avg brand age
47 months
Avg seller age
137 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

55

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

0%

  • KÉRASTASE77%
  • L'Oreal Paris11%
  • The Ordinary6%
  • Pantene3%
  • NIOXIN3%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -26.6% search growth over the last 90 days.
60K40KPrime Day '24Spike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar, Apr, Jun · busiest ÷ quietest = 7.6×

Top kerastase genesis serum search terms

  • kerastase genesis serum532K/yr
  • loreal elvive growth booster236K/yr
  • kerastase genesis160K/yr
  • aminexil126K/yr
  • elvive growth booster85K/yr
  • aminexil hair serum61K/yr
  • loreal growth booster51K/yr
  • loreal elvive caida resist aminexil31K/yr
  • kerastase hair growth serum28K/yr
  • loreal aminexil22K/yr
All search terms

Top kerastase genesis serum 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%$152K20%$304K30%$457K40%$609K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about kerastase genesis serum

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

What buyers love

Smell22%

“Great scent”

Hair Growth10%

“This product has really strengthened my hair”

Quality-Overall10%

“Excellent product”

Soft Feel10%

“Softens my hair”

Value For Money5%

“Worth it”

Moist/Dry5%

“It is moisturizing”

Suitability Straight Hair3%

“Wonderful hair”

Oily/Greasy3%

“Doesnt feel oily, goes on easy and feels good”

Weight Light2%

“Easy to use and lightweight”

Hair Styling2%

“Awesome this gave my hair so much volume”

What buyers complain about

Smell16%

“unpleasant smell”

Value For Money10%

“Expensive”

Hair Related8%

“Did not work on my hair”

Oily/Greasy7%

“too oily”

Functionality-Overall5%

“Ineffective”

Moist/Dry4%

“Not hydrating”

Allergies4%

“Caused major itching”

Suitability Short Hair2%

“it doesn't work with my hair”

Damage/Burn Hair2%

“Made my hair fall out”

Size-Overall1%

“The bottle itself is such larger than I thought”

Top return reasons

Smell18%
Functionality-Overall12%
Advertised Vs Actual Product9%
Oily/Greasy8%
Value For Money7%
Suitability Short Hair7%
Product Condition6%
Moist/Dry4%
Damage/Burn Hair4%
Size-Overall4%

Common questions

Is kerastase genesis serum profitable to sell on Amazon United States?
The niche generates $1.5M/yr across 13 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -26.6%. Flapen's verdict: Skip it (46/100).
How competitive is the kerastase genesis serum niche?
5 brands and 55 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in kerastase genesis serum?
Top complaints mined from reviews: Smell, Value For Money, Hair Related. The return rate is 1.0%.
When does demand for kerastase genesis serum peak?
Demand peaks in Jan–Feb–Mar–Apr–Jun; the busiest month runs 7.6× the quietest.
What does it cost to enter the kerastase genesis serum niche?
Listings span $7.12–$76.69; the average listing price is $34.70 (sweet spot $15–$100). The average incumbent carries 4,837 reviews — the moat a new listing must climb.