Skip to content
40

nulastin hair growth serum for scalp

Skip it

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

Market size 10Growth 11Conversion 70Competition 9Returns 94Price range 48Avg price 80Brand share 0Review moat 70Quality gap 89

Returns

Great1.0%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Great$85.94

avg listing price — sweet spot $15–$100

Conversion

Good6.5%

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

Review moat

Good684.25

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$14.79–$192.97

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

Growth

Bad-28.1%

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

Market size

Bad$38K

$38K/yr · 7K searches

Competition

Bad89%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, nulastin hair growth serum for scalp is a $38K/yr Amazon United States market (7K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct. Verdict: Skip it — 40/100.

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

nulastin hair growth serum for scalp market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
$21K–$43K
units × avg price
Conversion rate
6.5%
Avg BSR
#866
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
53 months
Avg seller age
140 days

Competition & brand share

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

15

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

89%

Top 20: 100%

Open market

0%

  • NULASTIN85%
  • Nutrafol7%
  • The Ordinary6%
  • Bare Anatomy2%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — -28.1% search growth over the last 90 days.
900700Spike '25Prime Day '25Spike '26SepDecJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 4.2×

Top nulastin hair growth serum for scalp 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%15%$6K30%$11K45%$17K60%$23K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about nulastin hair growth serum for scalp

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

What buyers love

Hair Growth18%

“Saved my hair”

Quality-Overall11%

“Great value for the quality”

Value For Money7%

“Great value for the price”

Smell6%

“The scent is beautiful”

Cleansing4%

“I love that it cleans your scalp”

Ease Of Use4%

“Its easy to use”

Moist/Dry4%

“* Improved hydration on forehead”

Soft Feel3%

“silky results”

Absorbency3%

“Using it overnight works best for me it absorbs over night”

Suitability Curly Hair2%

“Impressive Results, Travel-Friendly, and Curl-Loving Hair Care”

What buyers complain about

Oily/Greasy12%

“Made my hair super greasy”

Hair Related10%

“However it made my hair fall out like crazy”

Functionality-Overall9%

“Eye lash and brow serum seems to work however the hair serum which I needed the most is not working as well for me”

Allergies8%

“People with gluten allergies BEWARE”

Value For Money7%

“It is a bit pricey”

Smell3%

“it doesn't smell”

Symptom Reduction3%

“they didnt help me anyway”

Damage/Burn Hair2%

“it made my scalp burn”

Moist/Dry2%

“This is like putting water on my hair only it dries my hair out really bad”

Quality-Overall2%

“EXTREMELY disappointed in the quality”

Top return reasons

Functionality-Overall18%
Oily/Greasy15%
Advertised Vs Actual Product9%
Product Condition8%
Value For Money7%
Damage/Burn Hair7%
Smell7%
Suitability Short Hair3%
Defective Material/Parts3%
Size-Overall3%

Common questions

Is nulastin hair growth serum for scalp profitable to sell on Amazon United States?
The niche generates $38K/yr across 8 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -28.1%. Flapen's verdict: Skip it (40/100).
How competitive is the nulastin hair growth serum for scalp niche?
4 brands and 15 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in nulastin hair growth serum for scalp?
Top complaints mined from reviews: Oily/Greasy, Hair Related, Functionality-Overall. The return rate is 1.0%.
When does demand for nulastin hair growth serum for scalp peak?
Demand peaks in Oct; the busiest month runs 4.2× the quietest.
What does it cost to enter the nulastin hair growth serum for scalp niche?
Listings span $14.79–$192.97; the average listing price is $85.94 (sweet spot $15–$100). The average incumbent carries 684 reviews — the moat a new listing must climb.