---
title: "Low Ph Cleanser — $2.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/low-ph-cleanser"
last_updated: "2026-08-11T13:11:58.214Z"
locale: en
meta:
description: "Niche score 52/100 · $2.5M/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $2.5M/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Low Ph Cleanser — $2.5M/yr Amazon US Niche (2026) - Flapen"
---
# **low ph cleanser**
**Worth a look**
Shows searches that convert (13.8% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 95Growth 38Conversion 96Competition 10Returns 96Price range 72Avg price 75Brand share 0Review moat 20Quality gap 25
**Conversion**
**Incredible****13.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$2.5M**
$2.5M/yr · 1.2M searches
**Avg price**
**Great****$15.16**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$10.97–$25.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+10.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****12,983.56**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, low ph cleanser is a $2.5M/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **low ph cleanser market data**
- **Units sold / yr**
- **150K–200K**
- avg 15,000–20,000/product
- **Revenue / yr**
- **$2.3M–$3.0M**
- units × avg price
- **Conversion rate**
- **13.8%**
- **Avg BSR**
- **#42**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **55 months**
- **Avg seller age**
- **121 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**30**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**0%**
- ANUA63% - COSRX25% - SKIN100412%
## **Demand**
Weekly Amazon search volume, last 10 weeks — +10.0% search growth over the last 90 days.
20K15KMay '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/low-ph-cleanser/trend)
## **Top low ph cleanser search terms**
- **anua face wash**336K/yr+31.6%15.7% conv. - **anua cleanser**225K/yr-14.4%10.9% conv. - **cosrx low ph good morning gel cleanser**99K/yr-8.9%13.7% conv. - **cosrx face wash**72K/yr+4.4%8.4% conv. - **centella cleanser**84K/yr-11.3%6.6% conv. - **cosrx cleanser**94K/yr+5.6%6.3% conv. - **centella face wash**47K/yr+11.0%7.8% conv. - **anua cleansing foam**39K/yr-9.5%11.7% conv. - **low ph good morning gel cleanser**18K/yr+30.4%15.1% conv. - **low ph cleanser**17K/yr+86.8%1.5% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/low-ph-cleanser/search-terms)
## **Top low ph cleanser 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%$376K30%$753K45%$1.1M60%$1.5M1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Anua Heartleaf Quercetinol Pore Deep Cleansing Foam Face wash for Pore Refining Cleanser Hydrating Daily Facial Cleanser For Double Cleansing Gentle Foaming with BHA Korean Skincare 5.07 fl.oz.**ANUA**$12.78**4.6★20,027 rev](https://www.amazon.com/dp/B0BVV8BNYJ) [2**COSRX Low pH Good Morning Gel Face Cleanser 5.07 fl oz BHA Face Wash Daily Mild Face Cleanser for Sensitive Skin PH Balancing Korean Skin Care Korean Face Wash**COSRX**$11.56**4.5★21,007 rev](https://www.amazon.com/dp/B016NRXO06) [3**SKIN1004 Madagascar Centella Ampoule Foam 4.23 fl.oz Korean Face Cleanser & Makeup Remover with Centella Asiatica Gentle Daily Cleanser for Soft Skin Korean Skin Care**SKIN1004**$13.58**4.7★9,950 rev](https://www.amazon.com/dp/B09JBJDFHH) [4**ANUA Hydrating Gentle Foaming Cleanser Daily Face Wash for Double Cleansing Hyaluronic Acid Zinc Panthenol for Dry & Sensitive Skin Sebum Balance Facial Cleanser Korean Skincare 5.07 fl. oz**ANUA**$10.97**4.6★1,838 rev](https://www.amazon.com/dp/B0D1G6XY5G) [5**Anua PDRN Hyaluronic Acid Moisturizing Cleansing Foam Daily Gentle Face Wash for Dry Skin Salmon DNA Hydrating & Soft Facial Cleanser Barrier Repair & Glow Glass Skin Korean Skincare 5.07 fl oz.**ANUA**$13.92**4.7★352 rev](https://www.amazon.com/dp/B0FPQNL9K7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Anua PDRN Hyaluronic Acid Moisturizing Cleansing Foam Daily Gentle Face Wash for Dry Skin Salmon DNA Hydrating & Soft Facial Cleanser Barrier Repair & Glow Glass Skin Korean Skincare 5.07 fl oz.**ANUA**$13.92**352 rev10mo ago](https://www.amazon.com/dp/B0FPQNL9K7) [**ANUA Hydrating Gentle Foaming Cleanser Daily Face Wash for Double Cleansing Hyaluronic Acid Zinc Panthenol for Dry & Sensitive Skin Sebum Balance Facial Cleanser Korean Skincare 5.07 fl. oz**ANUA**$10.97**1,838 rev2y ago](https://www.amazon.com/dp/B0D1G6XY5G) [**COSRX Low pH Good Morning Gel Cleanser (13.52fl.oz/400ml) BHA Face Wash Daily Mild Face Cleanser for Sensitive Skin PH Balancing Korean Skin Care Korean Face Wash Korean Body Wash**COSRX**$25.23**21,007 rev2y ago](https://www.amazon.com/dp/B0CKDDHQL1) [**Anua Heartleaf Quercetinol Pore Deep Cleansing Foam Face wash for Pore Refining Cleanser Hydrating Daily Facial Cleanser For Double Cleansing Gentle Foaming with BHA Korean Skincare 5.07 fl.oz.**ANUA**$12.78**20,027 rev2y ago](https://www.amazon.com/dp/B0BVV8BNYJ) [**Anua Heartleaf Pore Control Cleansing Oil Pore Cleanser Sebum Care Gentle Melting Oil Cleanser for Face Safe For All Skin Type Daily Hydrating Makeup Remover Korean Skin Care (6.76fl.oz)**ANUA**$16.82**28,009 rev3y ago](https://www.amazon.com/dp/B0BN2PX8V3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Anua PDRN Hyaluronic Acid Moisturizing Cleansing Foam Daily Gentle Face Wash for Dry Skin Salmon DNA Hydrating & Soft Facial Cleanser Barrier Repair & Glow Glass Skin Korean Skincare 5.07 fl oz.**ANUA**$13.92**4.7★**▲ 92%**](https://www.amazon.com/dp/B0FPQNL9K7) [**COSRX Low pH Good Morning Gel Cleanser (13.52fl.oz/400ml) BHA Face Wash Daily Mild Face Cleanser for Sensitive Skin PH Balancing Korean Skin Care Korean Face Wash Korean Body Wash**COSRX**$25.23**4.5★**▲ 15%**](https://www.amazon.com/dp/B0CKDDHQL1) [![[Hudsons Pick] SKIN1004 Poremizing Deep Cleansing Foam Makeup Remover Korean Face Cleanser with Himalayan Pink Salt & Centella for Facial Pore Cleansing Korean Skin Care 4.23 fl.oz 125ml](https://m.media-amazon.com/images/I/31os0JHjEmL.jpg)**\[Hudsons Pick\] SKIN1004 Poremizing Deep Cleansing Foam Makeup Remover Korean Face Cleanser with Himalayan Pink Salt & Centella for Facial Pore Cleansing Korean Skin Care 4.23 fl.oz 125ml**SKIN1004**$16.11**4.7★**— 6%**](https://www.amazon.com/dp/B0B884JBNQ) [**COSRX Low pH Good Morning Gel Face Cleanser 5.07 fl oz BHA Face Wash Daily Mild Face Cleanser for Sensitive Skin PH Balancing Korean Skin Care Korean Face Wash**COSRX**$11.56**4.5★**— 1%**](https://www.amazon.com/dp/B016NRXO06) [**SKIN1004 Madagascar Centella Ampoule Foam 4.23 fl.oz Korean Face Cleanser & Makeup Remover with Centella Asiatica Gentle Daily Cleanser for Soft Skin Korean Skin Care**SKIN1004**$13.58**4.7★**— 3%**](https://www.amazon.com/dp/B09JBJDFHH)
**~~View all trending →~~**
## **What buyers say about low ph cleanser**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Cleansing**22%
*“Clean feel”*
**Suitability Combination Skin**11%
*“cleared my skin making a great difference”*
**Soft Feel**10%
*“Buttery Smooth”*
**Quality-Overall**8%
*“excellent skin product”*
**Ease Of Cleaning**6%
*“it cleans incredibly well”*
**Smell**5%
*“Fragrance is really strong”*
**Moist/Dry**4%
*“Love this moisturizer”*
**Value For Money**4%
*“Worth the buy”*
**Suitability Dry Skin**4%
*“Doesnt dry out skin”*
**Suitability Oily Skin**2%
*“It was suitable for my oily skin”*
### **What buyers complain about **
**Allergies**12%
*“Skin reaction”*
**Skin Health**8%
*“burned off part of my skin”*
**Smell**7%
*“Fishy Smell”*
**Moist/Dry**5%
*“very dry”*
**Suitability Combination Skin**5%
*“Not for my skin”*
**Functionality-Overall**4%
*“Didn't work for me”*
**Oily/Greasy**3%
*“Oily Skin”*
**Ease Of Cleaning**3%
*“just average, mediocre cleaner, just not worth the time”*
**Sensitivity-Overall**3%
*“NOT FOR SENSITIVE SKIN”*
**Cleansing**2%
*“I feel like nothing has cleaned this good”*
### **Top return reasons **
**Smell**14%
**Advertised Vs Actual Product**11%
**Functionality-Overall**10%
**Value For Money**8%
**Moist/Dry**7%
**Suitability Combination Skin**5%
**Leak-Proof**5%
**Skin Health**5%
**Oily/Greasy**4%
**Product Condition**3%
## **Common questions**
- **Is low ph cleanser profitable to sell on Amazon United States?**
- The niche generates $2.5M/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +10.0%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the low ph cleanser niche?**
- 3 brands and 30 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in low ph cleanser?**
- Top complaints mined from reviews: Allergies, Skin Health, Smell. The return rate is 0.8%.
- **What does it cost to enter the low ph cleanser niche?**
- Listings span $10.97–$25.23; the average listing price is $15.16 (sweet spot $15–$100). The average incumbent carries 12,984 reviews — the moat a new listing must climb.
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