---
title: "Sp-6 Ultra Whitening Toothpaste — $425K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/sp-6-ultra-whitening-toothpaste"
last_updated: "2026-08-11T01:42:09.845Z"
locale: en
meta:
description: "Niche score 55/100 · $425K/yr market. Brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $425K/yr market. Brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Sp-6 Ultra Whitening Toothpaste — $425K/yr Amazon US Niche (2026) - Flapen"
---
# **sp-6 ultra whitening toothpaste**
**Worth a look**
Shows low returns (0.3%), but brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list.
Market size 57Growth 50Conversion 83Competition 20Returns 99Price range 70Avg price 79Brand share 16Review moat 25Quality gap 76
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$16.75**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$11.25–$23.72**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$425K**
$425K/yr · 280K searches
**Growth**
**Good****+20.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****4,917.92**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, sp-6 ultra whitening toothpaste is a $425K/yr Amazon United States market (280K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Feb–Mar–Apr. Verdict: Worth a look — 55/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sp-6 ultra whitening toothpaste market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$335K–$419K**
- units × avg price
- **Conversion rate**
- **9.0%**
- **Avg BSR**
- **#503**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **69%**
- **Out of stock**
- **7.3%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **141 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**12**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**4%**
- MSDRWIKEY74% - Hymhzy7% - Boka5% - Zaucet4% - JYEOUX4% - NQO2% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +20.4% search growth over the last 90 days.
50K30KSpike '24Holiday '24Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/us/health-household/sp-6-ultra-whitening-toothpaste/trend)
## **Top sp-6 ultra whitening toothpaste search terms**
- **7 pro toothpaste whitening**14K/yr+257.5%7.0% conv. - **intense whitening toothpaste**13K/yr+206.3%4.8% conv. - **msdrwikey toothpaste**24K/yr-12.4%6.8% conv. - **intense whitening 7 pro toothpaste**12K/yr+34.7%6.2% conv. - **ms drwikey toothpaste**15K/yr+18.7%7.1% conv. - **sp-6 probiotics whitening toothpaste**35K/yr-19.6%7.3% conv. - **sp6 probiotic toothpaste whitening**41K/yr-38.6%7.5% conv. - **sp 6 probiotic toothpaste whitening**27K/yr-30.7%6.9% conv. - **pro 7 toothpaste**3K/yr+629.4%5.1% conv. - **sp6**13K/yr-10.1%4.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/sp-6-ultra-whitening-toothpaste/search-terms)
## **Top sp-6 ultra whitening toothpaste 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%$42K20%$85K30%$127K40%$170K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**MSDRWIKEY 2-Pack Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$16.64**4.2★697 rev](https://www.amazon.com/dp/B0F6N37XFK) [2**MSDRWIKEY Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$12.63**4.2★697 rev](https://www.amazon.com/dp/B0F6N2XWK9) [3**MSDRWIKEY SP-6 Probiotic Whitening Toothpaste - Enhanced Formula with 6 Probiotics for Teeth Whitening and Gum Health - Enamel-Safe Fluoride-Free Fresh Mint Flavor 4.6oz (2)**MSDRWIKEY**$16.31**4.5★1,249 rev](https://www.amazon.com/dp/B0F6CZSND6) [4**Sp-6 Probiotic Whitening Toothpaste Sp-6 Ultra Whitening Toothpaste with a Fluoride Free Fresh Breath and Mint Flavored Enhancement Formula Beneficial for Oral Health! 2pc (2)**Hymhzy**$12.39**4.3★145 rev](https://www.amazon.com/dp/B0F8PCQ8CP) [5**Boka Fluoride Free Toothpaste Nano Hydroxyapatite Toothpaste Appropriate for Sensitive Teeth for Adult Kids Oral Care - Whitening* Refresh Mint 4 Fl Oz 1Pk**Boka**$11.25**4.5★59,113 rev](https://www.amazon.com/dp/B0BSRFKKZJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**3Pack 7 PRO Toothpaste Whitening Intense Teeth Whitening Toothpaste for Adults | Fluoride-Free | Sensitivity Safe | Purple Beads | Fresh Breath | Help Remove Tea & Coffee Stains | Mint Flavor**NQO**$21.59**38 rev2mo ago](https://www.amazon.com/dp/B0GYP88T69) [**7-Pro Whitening Toothpaste with 7 Probiotics Advanced Stain Removal Formula for Gum Health Purple Burst Beads for Fresh Breath Fluoride-Free & Enamel Safe (2 PCS)**Woadee**$15.81**7 rev3mo ago](https://www.amazon.com/dp/B0GSZQPV3P) [**SP-6 Probiotic Whitening Toothpaste SP-6 Probiotic Toothpaste Enhanced Formula with 6 Probiotics for Teeth Whitening/Brightening Enamel-Safe Fluoride-Free Fresh Mint Flavor 4.9oz 2Pack**JYEOUX**$13.11**207 rev1y ago](https://www.amazon.com/dp/B0FD9W16VT) [**MSDRWIKEY SP-6 Whitening Toothpaste 2-Pack & Popping 7-Pro Whitening Toothpaste 6 Probiotics Enamel Safe Fluoride-Free and Gum Health**MSDRWIKEY**$22.59**92 rev1y ago](https://www.amazon.com/dp/B0F8J8LJYD) [**MSDRWIKEY 2-Pack Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$16.64**697 rev1y ago](https://www.amazon.com/dp/B0F6N37XFK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**7-Pro Whitening Toothpaste with 7 Probiotics Advanced Stain Removal Formula for Gum Health Purple Burst Beads for Fresh Breath Fluoride-Free & Enamel Safe (2 PCS)**Woadee**$15.81**3.3★**▲ 241%**](https://www.amazon.com/dp/B0GSZQPV3P) [**3Pack 7 PRO Toothpaste Whitening Intense Teeth Whitening Toothpaste for Adults | Fluoride-Free | Sensitivity Safe | Purple Beads | Fresh Breath | Help Remove Tea & Coffee Stains | Mint Flavor**NQO**$21.59**4.5★**▲ 241%**](https://www.amazon.com/dp/B0GYP88T69) [**MSDRWIKEY 2-Pack Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$16.64**4.2★**▲ 57%**](https://www.amazon.com/dp/B0F6N37XFK) [**Sp-6 Probiotic Whitening Toothpaste Sp-6 Ultra Whitening Toothpaste with a Fluoride Free Fresh Breath and Mint Flavored Enhancement Formula Beneficial for Oral Health! 2pc (2)**Hymhzy**$12.39**4.3★**▲ 48%**](https://www.amazon.com/dp/B0F8PCQ8CP) [**Boka Fluoride Free Toothpaste Nano Hydroxyapatite Toothpaste Appropriate for Sensitive Teeth for Adult Kids Oral Care - Whitening* Refresh Mint 4 Fl Oz 1Pk**Boka**$11.25**4.5★**▲ 31%**](https://www.amazon.com/dp/B0BSRFKKZJ)
**~~View all trending →~~**
## **What buyers say about sp-6 ultra whitening toothpaste**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Tooth Brightening**20%
*“Great whitening”*
**Oral Hygiene**19%
*“Great for Sensitive Teeth”*
**Taste-Overall**8%
*“Good taste”*
**Quality-Overall**7%
*“Fair product”*
**Cleansing**5%
*“It cleans well”*
**Tooth Sensitivity**5%
*“its gentle on my sensitive teeth”*
**Value For Money**4%
*“Good deal”*
**Flavor**4%
*“Mild flavor”*
**Efficiency**2%
*“I do find this to be really effective”*
**Ease Of Cleaning**2%
*“Cleans well”*
### **What buyers complain about **
**Oral Hygiene**10%
*“The chemical, sodium lauryl sulfate may have a possible side affect of mouth sores”*
**Functionality-Overall**9%
*“Doesn't work”*
**Tooth Brightening**8%
*“Does not whiten”*
**Value For Money**8%
*“Too much money”*
**Taste-Overall**6%
*“Doesn't taste great”*
**Advertised Vs Actual Product**5%
*“Not as good as advertised”*
**Tooth Sensitivity**4%
*“It can cause a rapid tooth decay and sensitive happen”*
**Color**3%
*“they appears a little bit whiter”*
**Ingredients-Overall**3%
*“the ingredients are not strong tasting”*
**Breathability**2%
*“Does not keep your breath fresh”*
### **Top return reasons **
**Advertised Vs Actual Product**13%
**Tooth Brightening**12%
**Taste-Overall**12%
**Functionality-Overall**10%
**Tooth Sensitivity**7%
**Flavor**7%
**Ingredients-Overall**6%
**Oral Hygiene**4%
**Value For Money**4%
**Leak-Proof**3%
## **Common questions**
- **Is sp-6 ultra whitening toothpaste profitable to sell on Amazon United States?**
- The niche generates $425K/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +20.4%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the sp-6 ultra whitening toothpaste niche?**
- 8 brands and 12 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in sp-6 ultra whitening toothpaste?**
- Top complaints mined from reviews: Oral Hygiene, Functionality-Overall, Tooth Brightening. The return rate is 0.3%.
- **When does demand for sp-6 ultra whitening toothpaste peak?**
- Demand peaks in Jan–Feb–Mar–Apr; the busiest month runs 2.3× the quietest.
- **What does it cost to enter the sp-6 ultra whitening toothpaste niche?**
- Listings span $11.25–$23.72; the average listing price is $16.75 (sweet spot $15–$100). The average incumbent carries 4,918 reviews — the moat a new listing must climb.
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