Is scalp serum profitable to sell on Amazon United States?

The niche generates $2.2M/yr across 21 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -8.8%. Flapen's verdict: Worth a look (57/100).

How competitive is the scalp serum niche?

9 brands and 567 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in scalp serum?

Top complaints mined from reviews: Allergies, Smell, Hair Related. The return rate is 1.0%.

When does demand for scalp serum peak?

Demand peaks in Jan–Dec; the busiest month runs 2.3× the quietest.

What does it cost to enter the scalp serum niche?

Listings span $8.48–$112.22; the average listing price is $27.85 (sweet spot $15–$100). The average incumbent carries 7,761 reviews — the moat a new listing must climb.

scalp serum

Worth a look

Shows a $2.2M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size

Incredible$2.2M

$2.2M/yr · 1.5M searches

Returns

Incredible1.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$27.85

avg listing price — sweet spot $15–$100

Price range

Great$8.48–$112.22

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

Conversion

Good5.1%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay60%

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

Review moat

Bad7,760.57

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-8.8%

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

Brand share

Bad92%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, scalp serum is a $2.2M/yr Amazon United States market (1.5M searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jan–Dec. Verdict: Worth a look — 57/100.

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

scalp serum market data

Units sold / yr: 80K–100K; avg 3,000–4,000/product
Revenue / yr: $2.2M–$2.8M; units × avg price
Conversion rate: 5.1%
Avg BSR: #91
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 0.3%
Avg brand age: 48 months
Avg seller age: 130 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 rising

Sellers

567

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

60%

Top 20: 99%

Open market

divi33%
Dove31%
KÉRASTASE13%
The Ordinary11%
Pantene4%
Marc Anthony2%
Open — no brand owns it (3 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.8% search growth over the last 90 days.

Peak months: Jan, Dec · busiest ÷ quietest = 2.3×

Open Trend

Top scalp serum search terms

scalp serum451K/yr +1.9%2.1% conv.
divi hair scalp serum319K/yr -17.4%10.2% conv.
kerastase genesis160K/yr -5.3%2.5% conv.
dove derma scalp41K/yr +62.0%7.9% conv.
dove scalp hair therapy120K/yr -46.2%4.8% conv.
champo hair growth serum61K/yr -10.1%0.3% conv.
hair density serum39K/yr +17.8%2.0% conv.
dove scalp hair therapy shampoo47K/yr -38.8%4.5% conv.
dove scalp serum42K/yr -15.2%4.9% conv.
divi scalp serum49K/yr -7.7%6.7% conv.

All search terms

Top scalp 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

Divi Scalp Serum for Thinning Hair 30ml Clinically Tested Nourishing Formula with Amino Acids Caffeine & Rosemary Oil Promotes Healthy Scalp & Fuller-Looking Hair Reduces Oil & Product Buildup

divi$41.594.2★2,812 rev

Dove Derma Scalp Density Boost 3-in-1 Scalp Serum 1 ct With Prebiotic Glycerin Zinc + Peptides and Niacinamide For Breakage And Hair Thinning 2 oz

Dove$9.364.2★1,681 rev

Kerastase Genesis Hair Serum - Daily Strengthening Treatment for Weak Hair Silicone-Free Anti-Breakage Nourishes and Reinforces Hair Serum Fortifiant 1 Fl Oz

KÉRASTASE$32.894.5★2,345 rev

The Ordinary Hair Care Natural Moisturizing Factors + Hyaluronic Acid Lightweight Hydrating Scalp Serum with Hyaluronic Acid and Squalane 2 Fl Oz

The Ordinary$14.354.4★1,050 rev

The Ordinary Multi-Peptide Serum for Hair Density Peptide-Powered Formula for Thicker Fuller Looking Hair 2 Fl Oz

The Ordinary$22.564.1★1,488 rev

Newest

by launch date

Kerastase Genesis Hair Serum - Daily Strengthening Treatment for Weak Hair Silicone-Free Anti-Breakage Nourishes and Reinforces Hair Serum Fortifiant 1 Fl Oz

KÉRASTASE$32.892,345 rev

4mo ago

Pantene Abundant & Strong Daily Scalp Serum Strengthens Scalps Hold on Roots 2 oz

Pantene$18.58380 rev

5mo ago

Dove Derma Scalp Dandruff & Itch Relief Shampoo 1 ct with Pyrithione Zinc Niacinamide and Coconut Essence for Flaky Itchy Scalp Relief 16 Fl oz

Dove$9.10369 rev

7mo ago

Dove Derma Scalp Dandruff Relief Shampoo 1 ct with Salicylic Acid Sulfates and Niacinamide for Removing Flakes & Boosting Hair Resilience 16 fl oz

Dove$9.82257 rev

7mo ago

Dove Derma Scalp Dandruff Relief 3-in-1 Barrier Repair Serum 1 ct with Prebiotic Glycerin Niacinamide and Vitamin E for Dandruff-Prone Flaky Dry Scalp 2 fl oz

Dove$11.90153 rev

8mo ago

What buyers say about scalp serum

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

What buyers love

Smell23%

“Good scent”

Hair Growth12%

“Help grow hair”

Quality-Overall10%

“is a quality hair product”

Soft Feel5%

“it keeps my hair feeling smooth”

Moist/Dry5%

“gives great hydration”

Value For Money4%

“reasonably priced”

Allergies2%

“this doesn't irritate it at all”

Suitability Straight Hair2%

“Good hair”

Cleansing2%

“It keeps my hair clean”

Oily/Greasy2%

“Doesn't leave my hair greasy like other products”

What buyers complain about

Allergies11%

“Caused irritation immediately”

Smell10%

“Scent is too strong”

Hair Related8%

“Hair Fall Out”

Oily/Greasy7%

“Too greasy”

Value For Money6%

“It is expensive”

Functionality-Overall6%

“Not greatly effective”

Damage/Burn Hair4%

“It breaks your hair more”

Moist/Dry3%

“Terrible moisturizer”

Leak-Proof3%

“Product leaked”

Side Effects2%

“Same adverse reaction as many other negative reviews on this product”

Top return reasons

Smell17%

Oily/Greasy12%

Functionality-Overall10%

Leak-Proof9%

Advertised Vs Actual Product9%

Damage/Burn Hair6%