---
title: "Redness Serum — $24K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/redness-serum"
last_updated: "2026-08-11T01:37:56.985Z"
locale: en
meta:
  description: "Niche score 43/100 · $24K/yr market · 44K searches/yr · $19.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · $24K/yr market · 44K searches/yr · $19.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Redness Serum — $24K/yr Amazon US Niche (2026) - Flapen"
---

# **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**

**Incredible****0.5%**

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**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****70%**

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

**Competition**

**Okay****62%**

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

**Conversion**

**Okay****2.8%**

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

**Review moat**

**Bad****5,895.39**

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 ~~](https://flapen.com/research/methodology)

## **redness serum market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$39K–$49K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#456**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**83%**</dd>

<dt>**Out of stock**</dt><dd>**5.3%**</dd>

<dt>**Avg brand age**</dt><dd>**48 months**</dd>

<dt>**Avg seller age**</dt><dd>**130 days**</dd>

</dl>

## **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

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/redness-serum/trend)

## **Top redness serum search terms**

- **redness serum**19K/yr+0.7%2.5% conv. - **anti redness serum**10K/yr-24.2%3.4% conv. - **redness serum for face**3K/yr+11.7%5.4% conv. - **serum for redness on face**4K/yr-15.9%4.8% conv. - **ph lab anti redness serum**3K/yr-88.6%4.6% conv. - **ph lab anti redness**5K/yr-94.8%3.0% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/redness-serum/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 moatMarket 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.

### **Top sellers**

by 90-day click share

[1![The Ordinary Soothing & Barrier Support Serum Redness-Reducing & Hydrating Solution with Centella Asiatica for Skin Barrier Repair 1 Fl Oz](https://m.media-amazon.com/images/I/311urcAipjL.jpg)**The Ordinary Soothing & Barrier Support Serum Redness-Reducing & Hydrating Solution with Centella Asiatica for Skin Barrier Repair 1 Fl Oz**The Ordinary**$15.89**4.6★1,886 rev](https://www.amazon.com/dp/B0CJ3CXTW6) [2![Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum Facial Serum for Blemish-Prone & Oily-Prone Skin Lightweight & Hydrating Blemish Care Hyaluronic Acid Korean Skincare 1.01 fl oz.](https://m.media-amazon.com/images/I/31JxVXMSBpL.jpg)**Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum Facial Serum for Blemish-Prone & Oily-Prone Skin Lightweight & Hydrating Blemish Care Hyaluronic Acid Korean Skincare 1.01 fl oz.**ANUA**$19.55**4.5★5,161 rev](https://www.amazon.com/dp/B0DG1DQ2S7) [3![Prequel Skin Redness Reform Calming Serum for Face. Advanced Clinical Optical Corrector for Redness and Discomfort. Soothing Face Serum with Oat Extract for Sensitive Skin. 1oz Pump](https://m.media-amazon.com/images/I/216uPZr6k4L.jpg)**Prequel Skin Redness Reform Calming Serum for Face. Advanced Clinical Optical Corrector for Redness and Discomfort. Soothing Face Serum with Oat Extract for Sensitive Skin. 1oz Pump**Prequel**$19.10**4.2★598 rev](https://www.amazon.com/dp/B0D4NK92MP) [4![Good Molecules 10% Azelaic Acid Treatment for Face Blurs Facial Redness & Evens Skin Tone Brightens the Look of Dark Spots & Refines Texture Vegan & Fragrance-Free Skincare (30ml / 1.01 fl oz.)](https://m.media-amazon.com/images/I/41V1KWA7a5L.jpg)**Good Molecules 10% Azelaic Acid Treatment for Face Blurs Facial Redness & Evens Skin Tone Brightens the Look of Dark Spots & Refines Texture Vegan & Fragrance-Free Skincare (30ml / 1.01 fl oz.)**Good Molecules**$12.00**4.5★1,001 rev](https://www.amazon.com/dp/B0FZPGQHFB) [5![Beauty of Joseon Calming Barrier Serum Green Tea-HA + Pathenol | Daily Korean Skincare for Dry and Sensitive Skin Calming Soothing and Deep Hydration 30ml 1.01 fl.oz](https://m.media-amazon.com/images/I/31NlwsIU9LL.jpg)**Beauty of Joseon Calming Barrier Serum Green Tea-HA + Pathenol | Daily Korean Skincare for Dry and Sensitive Skin Calming Soothing and Deep Hydration 30ml 1.01 fl.oz**Beauty of Joseon**$15.62**4.6★1,839 rev](https://www.amazon.com/dp/B0GSZPM83S)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![SKIN1004 Azelaic Acid 10% Ampoule Hydrating Face Serum for Blemish-Prone & Irritated Skin Soothing Care for Visible Marks with Centella Niacinamide-Free Korean Skin Care 1.01 fl.oz / 30ml](https://m.media-amazon.com/images/I/31q7Y-cvIJL.jpg)**SKIN1004 Azelaic Acid 10% Ampoule Hydrating Face Serum for Blemish-Prone & Irritated Skin Soothing Care for Visible Marks with Centella Niacinamide-Free Korean Skin Care 1.01 fl.oz / 30ml**SKIN1004**$16.48**868 rev3mo ago](https://www.amazon.com/dp/B0GV2J43Q9) [![Beauty of Joseon Calming Barrier Serum Green Tea-HA + Pathenol | Daily Korean Skincare for Dry and Sensitive Skin Calming Soothing and Deep Hydration 30ml 1.01 fl.oz](https://m.media-amazon.com/images/I/31NlwsIU9LL.jpg)**Beauty of Joseon Calming Barrier Serum Green Tea-HA + Pathenol | Daily Korean Skincare for Dry and Sensitive Skin Calming Soothing and Deep Hydration 30ml 1.01 fl.oz**Beauty of Joseon**$15.62**1,839 rev4mo ago](https://www.amazon.com/dp/B0GSZPM83S) [![CENTELLA RED SERUM 10ML](https://m.media-amazon.com/images/I/21UfOvfc6YL.jpg)**CENTELLA RED SERUM 10ML**Erborian**$15.55**197 rev6mo ago](https://www.amazon.com/dp/B0G6GKZ1L9) [![Good Molecules 10% Azelaic Acid Treatment for Face Blurs Facial Redness & Evens Skin Tone Brightens the Look of Dark Spots & Refines Texture Vegan & Fragrance-Free Skincare (30ml / 1.01 fl oz.)](https://m.media-amazon.com/images/I/41V1KWA7a5L.jpg)**Good Molecules 10% Azelaic Acid Treatment for Face Blurs Facial Redness & Evens Skin Tone Brightens the Look of Dark Spots & Refines Texture Vegan & Fragrance-Free Skincare (30ml / 1.01 fl oz.)**Good Molecules**$12.00**1,001 rev8mo ago](https://www.amazon.com/dp/B0FZPGQHFB) [![medicube Exosome Shot Azelaic Acid 2 000 PPM Spicule Facial Serum](https://m.media-amazon.com/images/I/31bAjzWo+7L.jpg)**medicube Exosome Shot Azelaic Acid 2 000 PPM Spicule Facial Serum**medicube**$16.84**154 rev1y ago](https://www.amazon.com/dp/B0F9PCLQ39)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![SKIN1004 Azelaic Acid 10% Ampoule Hydrating Face Serum for Blemish-Prone & Irritated Skin Soothing Care for Visible Marks with Centella Niacinamide-Free Korean Skin Care 1.01 fl.oz / 30ml](https://m.media-amazon.com/images/I/31q7Y-cvIJL.jpg)**SKIN1004 Azelaic Acid 10% Ampoule Hydrating Face Serum for Blemish-Prone & Irritated Skin Soothing Care for Visible Marks with Centella Niacinamide-Free Korean Skin Care 1.01 fl.oz / 30ml**SKIN1004**$16.48**4.4★**▲ 407%**](https://www.amazon.com/dp/B0GV2J43Q9) [![Beauty of Joseon Calming Barrier Serum Green Tea-HA + Pathenol | Daily Korean Skincare for Dry and Sensitive Skin Calming Soothing and Deep Hydration 30ml 1.01 fl.oz](https://m.media-amazon.com/images/I/31NlwsIU9LL.jpg)**Beauty of Joseon Calming Barrier Serum Green Tea-HA + Pathenol | Daily Korean Skincare for Dry and Sensitive Skin Calming Soothing and Deep Hydration 30ml 1.01 fl.oz**Beauty of Joseon**$15.62**4.6★**▲ 400%**](https://www.amazon.com/dp/B0GSZPM83S) [![[Hudsons Pick] SKIN1004 Madagascar Centella Ampoule Korean Face Serum with Centella Asiatica for Hydrating & Moisturizing Soothing Facial Serum for Skin Balance Korean Skin Care 3.38 fl.oz 100ml](https://m.media-amazon.com/images/I/31Kxg2RcOgL.jpg)**\[Hudsons Pick\] SKIN1004 Madagascar Centella Ampoule Korean Face Serum with Centella Asiatica for Hydrating & Moisturizing Soothing Facial Serum for Skin Balance Korean Skin Care 3.38 fl.oz 100ml**SKIN1004**$15.54**4.7★**▲ 258%**](https://www.amazon.com/dp/B06Y15D1LH) [![CENTELLA RED SERUM 10ML](https://m.media-amazon.com/images/I/21UfOvfc6YL.jpg)**CENTELLA RED SERUM 10ML**Erborian**$15.55**4.3★**▲ 250%**](https://www.amazon.com/dp/B0G6GKZ1L9) [![Good Molecules Discoloration Correcting Serum - Serum to Target Dark Spots and Discoloration - Skin Care for Face 1 fl oz](https://m.media-amazon.com/images/I/410Ud0Ywp6L.jpg)**Good Molecules Discoloration Correcting Serum - Serum to Target Dark Spots and Discoloration - Skin Care for Face 1 fl oz**Good Molecules**$11.99**4.4★**▲ 85%**](https://www.amazon.com/dp/B08RJ4ZHXJ)

**~~View all trending →~~**

## **What buyers say about redness serum**

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

### **What buyers love **

**Suitability Combination Skin**16%

*“Good for sensitive skin”*

**Quality-Overall**13%

*“EXCELLENT PRODUCT”*

**Value For Money**9%

*“Excellent value”*

**Moist/Dry**8%

*“dries fast”*

**Soft Feel**6%

*“Goes on smooth”*

**Symptom Reduction**4%

*“Reduces redness”*

**Allergies**4%

*“No irritation”*

**Suitability Dry Skin**4%

*“Good for dry and sensitive skin”*

**Efficiency**3%

*“Works well for my skin”*

**Texture/Consistency-Overall**3%

*“Good texture”*

### **What buyers complain about **

**Allergies**17%

*“Skin reaction”*

**Functionality-Overall**10%

*“Not effective”*

**Skin Health**8%

*“Not for me burned my skin”*

**Symptom Reduction**5%

*“no improvement in skin”*

**Moist/Dry**3%

*“very dry”*

**Smell**3%

*“No smell”*

**Suitability Dry Skin**3%

*“Not great on dry skin”*

**Value For Money**3%

*“Somewhat overpriced”*

**Sensitivity-Overall**2%

*“NOT for sensitive skin”*

**Suitability Combination Skin**2%

*“Not for my skin”*

### **Top return reasons **

**Functionality-Overall**21%

**Advertised Vs Actual Product**10%

**Value For Money**9%

**Skin Health**7%

**Moist/Dry**5%

**Suitability Combination Skin**4%

**Leak-Proof**4%

**Texture/Consistency-Overall**3%

**Product Condition**3%

**Smell**3%

## **Common questions**

<dl>

<dt>**Is redness serum profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the redness serum niche?**</dt><dd>18 brands and 48 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 70% of demand.</dd>

<dt>**What do buyers complain about in redness serum?**</dt><dd>Top complaints mined from reviews: Allergies, Functionality-Overall, Skin Health. The return rate is 0.5%.</dd>

<dt>**What does it cost to enter the redness serum niche?**</dt><dd>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.</dd>

</dl>

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