---
title: "Kreain Nature Tooth Refresh Toothpaste — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/kreain-nature-tooth-refresh-toothpaste"
last_updated: "2026-08-12T15:05:14.920Z"
locale: en
meta:
description: "Amazon product research for kreain nature tooth refresh toothpaste: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for kreain nature tooth refresh toothpaste: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Kreain Nature Tooth Refresh Toothpaste — Amazon US Product Research"
---
# **Kreain Nature Tooth Refresh Toothpaste**
**Worth a look**
Shows beatable incumbent ratings (3.6★), but soft demand (-54.0% this quarter) keeps it on the watch list.
Market size 52Growth 0Conversion 95Competition 15Returns 96Price range 75Avg price 78Brand share 39Review moat 96Quality gap 99
**Quality gap**
**Incredible****3.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Incredible****84.22**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$16.02**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.67–$21.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$328K**
$328K/yr · 163K searches
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-54.0%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
## **Is kreain nature tooth refresh toothpaste profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, kreain nature tooth refresh toothpaste is a $328K/yr Amazon United States market (163K searches/yr). The top 5 brands hold 82% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kreain nature tooth refresh toothpaste market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **13K–15K**
- avg 750–1,000/product
- **Revenue / yr**
- **$200K–$240K**
- units × avg price
- **Conversion rate**
- **12.5%**
- **Avg BSR**
- **#1,075**
- **Page quality**
- **0%**
- **Prime**
- **89%**
- **Sponsored**
- **100%**
- **Out of stock**
- **8.3%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **144 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**10**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**13%**
- Kreain Nature39% - HONGYUNDA18% - Generic12% - LEDeng7% - HEDGAUCP6% - CROOT5% - Open — no brand owns it (3 brands, 13%)
## **kreain nature tooth refresh toothpaste demand & seasonality**
Weekly Amazon search volume, last 41 weeks — -54.0% search growth over the last 90 days.
6K4KSpike '25Spike '26Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/kreain-nature-tooth-refresh-toothpaste/trend)
## **Top kreain nature tooth refresh toothpaste search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **kreain nature tooth refresh toothpaste**80K/yr-43.2%8.2% conv. - **tooth refresh toothpaste**26K/yr-73.1%7.9% conv. - **kreain nature tooth restore toothpaste**15K/yr-39.3%6.3% conv. - **krein nature toothpaste**12K/yr-51.3%6.7% conv. - **kreain nature pasta dental**8K/yr-27.8%4.0% conv. - **tooth refresh**3K/yr-44.1%5.1% conv. - **tooth refresh toothpaste for gum disease**4K/yr-80.6%10.0% conv. - **korean nature toothpaste**2K/yr-43.4%5.8% conv. - **kresin nature toothpaste**4K/yr-67.4%6.8% conv. - **krean nature toothpaste**4K/yr-66.5%5.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/kreain-nature-tooth-refresh-toothpaste/search-terms)
## **Top kreain nature tooth refresh toothpaste products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$33K20%$66K30%$98K40%$131K1101001K 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**Kreain Nature Tooth Refresh Toothpaste Whitening & Stain Remover for Coffee Hydroxyapatite for Enamel Support Fresh Breath Gentle for Sensitive Teeth Fluoride-Free Adults & Kids 3.5 Oz 2 Pack**Kreain Nature**$21.82**4.5★185 rev](https://www.amazon.com/dp/B0FJLZRPVX) [2**2PS Tooth Refresh Toothpaste Fresh Breath Whitening Toothpaste Natural Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stains Fresh Minty Gel**HONGYUNDA**$16.03**3.7★137 rev](https://www.amazon.com/dp/B0FQP2Y8DT) [3**2PCS Tooth Refresh Toothpaste Fresh Breath Toothpaste Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stain Fresh Minty Gel**Generic**$15.92**4.2★44 rev](https://www.amazon.com/dp/B0G2Y7Z3NP) [4**2PCS Tooth Refresh Toothpaste Fresh Breath Whitening Toothpaste Natural Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stains Deep Cleaning Care**LEDeng**$14.24**3.7★60 rev](https://www.amazon.com/dp/B0FXQNB731) [5**Tooth Refresh Toothpaste Fresh Breath Whitening Toothpaste Natural Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stains Fresh Minty Gel 2-Pack**HEDGAUCP**$17.54**3.7★161 rev](https://www.amazon.com/dp/B0FHVX7H48)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2PCS Tooth Refresh Toothpaste Fresh Breath Whitening Hydroxyapatite Toothpaste Natural Oral Care & Enamel Repair**ROHIONE**$15.26**9 rev3mo ago](https://www.amazon.com/dp/B0GTQ3HG2W) [**Tooth Refresh Toothpaste Teeth Whitening & Stain Remover 2 Pack**WenFeng**$14.47**15 rev5mo ago](https://www.amazon.com/dp/B0GH5SLLBM) [**2PCS Tooth Refresh Toothpaste Fresh Breath Toothpaste Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stain Fresh Minty Gel**Generic**$15.92**44 rev7mo ago](https://www.amazon.com/dp/B0G2Y7Z3NP) [**Tooth Refresh Toothpaste Fresh Breath Whitening Toothpaste Natural Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stains 3.52 oz (1)**CROOT**$12.67**50 rev8mo ago](https://www.amazon.com/dp/B0FYFSWJKD) [**2PCS Tooth Refresh Toothpaste Fresh Breath Whitening Toothpaste Natural Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stains Deep Cleaning Care**LEDeng**$14.24**60 rev8mo ago](https://www.amazon.com/dp/B0FXQNB731)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2PCS Tooth Refresh Toothpaste Fresh Breath Whitening Hydroxyapatite Toothpaste Natural Oral Care & Enamel Repair**ROHIONE**$15.26**2.7★**▲ 505%**](https://www.amazon.com/dp/B0GTQ3HG2W) [**Tooth Refresh Toothpaste Teeth Whitening & Stain Remover 2 Pack**WenFeng**$14.47**3.2★**▲ 132%**](https://www.amazon.com/dp/B0GH5SLLBM) [**Kreain Nature Tooth Refresh Toothpaste Whitening & Stain Remover for Coffee Hydroxyapatite for Enamel Support Fresh Breath Gentle for Sensitive Teeth Fluoride-Free Adults & Kids 3.5 Oz 2 Pack**Kreain Nature**$21.82**4.5★**▲ 72%**](https://www.amazon.com/dp/B0FJLZRPVX) [**2PCS Tooth Refresh Toothpaste Fresh Breath Toothpaste Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stain Fresh Minty Gel**Generic**$15.92**4.2★**▲ 63%**](https://www.amazon.com/dp/B0G2Y7Z3NP) [**2PCS Tooth Refresh Toothpaste Fresh Breath Whitening Toothpaste Natural Oral Care & Enamel Repair Helps Remove Coffee Tea & Wine Stains Deep Cleaning Care**LEDeng**$14.24**3.7★**▲ 21%**](https://www.amazon.com/dp/B0FXQNB731)
**~~View all trending →~~**
## **What reviews say buyers love and hate about kreain nature tooth refresh toothpaste**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Good presentation of the product and quality”*
**Tooth Brightening**16%
*“Good for teeth”*
**Oral Hygiene**14%
*“helps me stay consistent with my oral care routine”*
**Value For Money**12%
*“Great value for the price”*
**Efficiency**7%
*“Works good”*
**Cleansing**5%
*“Cleans Very Well”*
**Ease Of Use**4%
*“easy to use”*
**Ease Of Cleaning**4%
*“Cleans Very Well”*
**Advertised Vs Actual Product**3%
*“Working as advertised so far”*
**Taste-Overall**2%
*“Love it really does work taste great worth every penny my teeth look”*
### **What buyers complain about **
**Functionality-Overall**31%
*“Did not work”*
**Taste-Overall**14%
*“Taste is awful”*
**Advertised Vs Actual Product**9%
*“Doesn't do what it is advertise has”*
**Certifications**6%
*“Not even ADA credited as ad says”*
**Value For Money**5%
*“It cost me thirteen dollars”*
**Texture/Consistency-Overall**5%
*“if the texture is smooth or gritty”*
**Thickness**5%
*“It is thick”*
**Allergies**5%
*“left a rash on my tongue”*
**Breathability**4%
*“Does nothing for my gum health or my breath”*
**Quality-Overall**3%
*“Not as good as Kreain”*
### **Top return reasons **
**Advertised Vs Actual Product**56%
**Functionality-Overall**8%
**Taste-Overall**6%
**Certifications**5%
**Ingredients-Overall**4%
**Defective Material/Parts**3%
**Quality-Overall**3%
**Texture/Consistency-Overall**3%
**Brightness/Shine/Glow**2%
**Size-Overall**2%
## **Common kreain nature tooth refresh toothpaste questions**
- **Is kreain nature tooth refresh toothpaste profitable to sell on Amazon United States?**
- The niche generates $328K/yr across 9 tracked products. 3 of 9 products launched in the last 360 days are still selling. 90-day search growth is -54.0%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the kreain nature tooth refresh toothpaste niche?**
- 9 brands and 10 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in kreain nature tooth refresh toothpaste?**
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Advertised Vs Actual Product. The return rate is 0.7%.
- **What does it cost to enter the kreain nature tooth refresh toothpaste niche?**
- Listings span $12.67–$21.82; the average listing price is $16.02 (sweet spot $15–$100). The average incumbent carries 84 reviews — the moat a new listing must climb.
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