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redness serum

Skip it

A small market ($24K/yr) — this niche doesn't clear our bar today.

Market size 6Growth 11Conversion 35Competition 39Returns 98Price range 82Avg price 86Brand share 59Review moat 24Quality gap 63

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Great$19.45

avg listing price — sweet spot $15–$100

Price range

Great$5.86–$63.54

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Good70%

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

Competition

Okay62%

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

Conversion

Okay2.8%

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

Review moat

Bad5,895.39

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-28.1%

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

Market size

Bad$24K

$24K/yr · 44K searches

According to Flapen's Amazon United States niche tracking, redness serum is a $24K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 70% of demand. Verdict: Skip it — 43/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

redness serum market data

Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
$39K–$49K
units × avg price
Conversion rate
2.8%
Avg BSR
#456
Page quality
0%
Prime
96%
Sponsored
83%
Out of stock
5.3%
Avg brand age
48 months
Avg seller age
130 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

48

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

62%

Top 20: 96%

Open market

26%

  • The Ordinary27%
  • ANUA18%
  • Good Molecules11%
  • Prequel10%
  • SKIN10044%
  • Beauty of Joseon4%

Demand

Weekly Amazon search volume, last 45 weeks — -28.1% search growth over the last 90 days.
23K18KSpike '25Black Friday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26

Top redness serum search terms

  • redness serum19K/yr
  • anti redness serum10K/yr
  • redness serum for face3K/yr
  • serum for redness on face4K/yr
  • ph lab anti redness serum3K/yr
  • ph lab anti redness5K/yr
All search terms

Top redness 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%$2K20%$5K30%$7K40%$10K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about redness serum

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

What buyers love

Suitability Combination Skin16%

“Good for sensitive skin”

Quality-Overall13%

“EXCELLENT PRODUCT”

Value For Money9%

“Excellent value”

Moist/Dry8%

“dries fast”

Soft Feel6%

“Goes on smooth”

Symptom Reduction4%

“Reduces redness”

Allergies4%

“No irritation”

Suitability Dry Skin4%

“Good for dry and sensitive skin”

Efficiency3%

“Works well for my skin”

Texture/Consistency-Overall3%

“Good texture”

What buyers complain about

Allergies17%

“Skin reaction”

Functionality-Overall10%

“Not effective”

Skin Health8%

“Not for me burned my skin”

Symptom Reduction5%

“no improvement in skin”

Moist/Dry3%

“very dry”

Smell3%

“No smell”

Suitability Dry Skin3%

“Not great on dry skin”

Value For Money3%

“Somewhat overpriced”

Sensitivity-Overall2%

“NOT for sensitive skin”

Suitability Combination Skin2%

“Not for my skin”

Top return reasons

Functionality-Overall21%
Advertised Vs Actual Product10%
Value For Money9%
Skin Health7%
Moist/Dry5%
Suitability Combination Skin4%
Leak-Proof4%
Texture/Consistency-Overall3%
Product Condition3%
Smell3%

Common questions

Is redness serum profitable to sell on Amazon United States?
The niche generates $24K/yr across 23 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -28.1%. Flapen's verdict: Skip it (43/100).
How competitive is the redness serum niche?
18 brands and 48 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in redness serum?
Top complaints mined from reviews: Allergies, Functionality-Overall, Skin Health. The return rate is 0.5%.
What does it cost to enter the redness serum niche?
Listings span $5.86–$63.54; the average listing price is $19.45 (sweet spot $15–$100). The average incumbent carries 5,895 reviews — the moat a new listing must climb.