---
title: "Hydroeye — $282K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/hydroeye"
last_updated: "2026-08-12T08:48:26.343Z"
locale: en
meta:
description: "Amazon product research for hydroeye: $282K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for hydroeye: $282K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Hydroeye — $282K/mo Amazon US Product Research (2026)"
---
# **Hydroeye**
**Worth a look**
Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 96Growth 22Conversion 99Competition 3Returns 100Price range 53Avg price 90Brand share 0Review moat 25Quality gap 42
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****18.7%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Incredible****$3.4M**
$3.4M/yr · 315K searches
**Avg price**
**Great****$57.49**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$17.94–$171.46**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,399**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-6.5%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****97%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
## **Is hydroeye profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, hydroeye is a $3.4M/yr Amazon United States market (315K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 51/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hydroeye market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **50K–60K**
- avg 10,000–12,500/product
- **Revenue / yr**
- **$2.9M–$3.4M**
- units × avg price
- **Conversion rate**
- **18.7%**
- **Avg BSR**
- **#79**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **147 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**21**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**97%**
Top 20: 100%
**Open market**
**0%**
- BLINK56% - ScienceBased Health27% - PRN Physician Recommended Nutriceuticals14% - TheraTears3% - Open — no brand owns it (0%)
## **hydroeye demand & seasonality**
Weekly Amazon search volume, last 97 weeks — -6.5% search growth over the last 90 days.
10K6KPrime Day '25Spike '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Aug, Sep · busiest ÷ quietest = 5.2×
[**Open Trend **](https://flapen.com/research/us/health-household/hydroeye/trend)
## **Top hydroeye search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **hydroeye**38K/yr-5.8%17.1% conv. - **blink nutritears**34K/yr+0.5%15.9% conv. - **blink supplements for dry eye**26K/yr+11.7%20.2% conv. - **blink eye supplement**30K/yr-5.9%18.0% conv. - **hydroeye support for dry eyes 120 softgels 2 pack**20K/yr-0.0%21.6% conv. - **de3 omega 3 fish oil capsules for dry eye**19K/yr-9.4%11.7% conv. - **blink nutritears supplement**27K/yr-33.8%15.9% conv. - **prn de3 dry eye omega 3 fish oil**15K/yr-13.2%8.0% conv. - **de3**11K/yr+21.0%6.6% conv. - **blink pills for dry eye**13K/yr-15.0%18.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/hydroeye/search-terms)
## **Top hydroeye 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%15%$508K30%$1.0M45%$1.5M60%$2.0M1K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Blink NutriTears Clinically Proven Supplement for Dry Eyes Eye Care with Lutein & Zeaxanthin and Vitamin D to Hydrate Eyes from Within for Long-Lasting Relief 50 Softgels**BLINK**$26.92**4.3★4,439 rev](https://www.amazon.com/dp/B0CW63B38Z) [2**ScienceBased Health HydroEye Dry Eye Supplement Clinically Tested with GLA & Omega-3 Supports a Healthy Tear Film for Lasting Eye Comfort 120 Softgels**ScienceBased Health**$43.57**4.6★7,099 rev](https://www.amazon.com/dp/B003UNOY7Y) [3**De3 Occasional Eye Dryness rTG Omega 3 Supplement - 90 Softgels 30-Day Supply - Fish Oil Omega 3 Supplements for Hydrated Eyes - 1680 mg EPA & 560 mg DHA & Vitamin D3 for Soothing Tears & Eye Health**PRN Physician Recommended Nutriceuticals**$65.22**4.6★1,846 rev](https://www.amazon.com/dp/B081VPBXR5) [4**Blink NutriTears by Bausch + Lomb Dry Eye Supplement Clinically Proven Hydration Support for Dry Eyes Omega & Vitamin Formula 30 Softgels (30-Day Supply)**BLINK**$17.94**4.3★4,439 rev](https://www.amazon.com/dp/B0GP9NRVRD) [5**De3 Occasional Eye Dryness rTG Omega 3 Supplement - 270 Softgels 90-Day Supply - Fish Oil Omega 3 Supplements for Hydrated Eyes - 1680 mg EPA 560 mg DHA & Vitamin D3 for Soothing Tears & Eye Health**PRN Physician Recommended Nutriceuticals**$171.46**4.6★1,846 rev](https://www.amazon.com/dp/B07ZFX66M9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Blink NutriTears by Bausch + Lomb Dry Eye Supplement Clinically Proven Hydration Support for Dry Eyes Omega & Vitamin Formula 30 Softgels (30-Day Supply)**BLINK**$17.94**4,439 rev3mo ago](https://www.amazon.com/dp/B0GP9NRVRD) [**Blink NutriTears Clinically Proven Supplement for Dry Eyes Eye Care with Lutein & Zeaxanthin and Vitamin D to Hydrate Eyes from Within for Long-Lasting Relief 50 Softgels**BLINK**$26.92**4,439 rev2y ago](https://www.amazon.com/dp/B0CW63B38Z) [**TheraTears Omega 3 Supplement for Eye Care 1200mg Fish Oil and Organic Flaxseed Oil with Vitamin E 180 Count**TheraTears**$19.82**6,725 rev5y ago](https://www.amazon.com/dp/B08V47CF3F) [**De3 Occasional Eye Dryness rTG Omega 3 Supplement - 90 Softgels 30-Day Supply - Fish Oil Omega 3 Supplements for Hydrated Eyes - 1680 mg EPA & 560 mg DHA & Vitamin D3 for Soothing Tears & Eye Health**PRN Physician Recommended Nutriceuticals**$65.22**1,846 rev6y ago](https://www.amazon.com/dp/B081VPBXR5) [**De3 Occasional Eye Dryness rTG Omega 3 Supplement - 270 Softgels 90-Day Supply - Fish Oil Omega 3 Supplements for Hydrated Eyes - 1680 mg EPA 560 mg DHA & Vitamin D3 for Soothing Tears & Eye Health**PRN Physician Recommended Nutriceuticals**$171.46**1,846 rev6y ago](https://www.amazon.com/dp/B07ZFX66M9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Blink NutriTears by Bausch + Lomb Dry Eye Supplement Clinically Proven Hydration Support for Dry Eyes Omega & Vitamin Formula 30 Softgels (30-Day Supply)**BLINK**$17.94**4.3★**▲ 315%**](https://www.amazon.com/dp/B0GP9NRVRD) [**De3 Occasional Eye Dryness rTG Omega 3 Supplement - 90 Softgels 30-Day Supply - Fish Oil Omega 3 Supplements for Hydrated Eyes - 1680 mg EPA & 560 mg DHA & Vitamin D3 for Soothing Tears & Eye Health**PRN Physician Recommended Nutriceuticals**$65.22**4.6★**▲ 14%**](https://www.amazon.com/dp/B081VPBXR5) [**ScienceBased Health HydroEye Dry Eye Supplement Clinically Tested with GLA & Omega-3 Supports a Healthy Tear Film for Lasting Eye Comfort 120 Softgels**ScienceBased Health**$43.57**4.6★**— 3%**](https://www.amazon.com/dp/B003UNOY7Y) [**De3 Occasional Eye Dryness rTG Omega 3 Supplement - 270 Softgels 90-Day Supply - Fish Oil Omega 3 Supplements for Hydrated Eyes - 1680 mg EPA 560 mg DHA & Vitamin D3 for Soothing Tears & Eye Health**PRN Physician Recommended Nutriceuticals**$171.46**4.6★**— 1%**](https://www.amazon.com/dp/B07ZFX66M9) [**Blink NutriTears Clinically Proven Supplement for Dry Eyes Eye Care with Lutein & Zeaxanthin and Vitamin D to Hydrate Eyes from Within for Long-Lasting Relief 50 Softgels**BLINK**$26.92**4.3★**▼ 11%**](https://www.amazon.com/dp/B0CW63B38Z)
**~~View all trending →~~**
## **What reviews say buyers love and hate about hydroeye**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Eye-Hygiene**26%
*“Helpful for dry eyes”*
**Moist/Dry**19%
*“Helps relieve dry eye”*
**Quality-Overall**13%
*“Top quality product thats is easy to swallow and works well”*
**Value For Money**7%
*“Less expensive”*
**Efficiency**6%
*“Effective”*
**Vitamin**5%
*“Great Eye Vitamins”*
**Advertised Vs Actual Product**4%
*“Accurately described”*
**Ease Of Use**2%
*“Easy to use”*
**Ease Of Chewing/Swallowing**2%
*“Easy on stomach”*
**Side Effects**2%
*“didnt cause me any side effects”*
### **What buyers complain about **
**Functionality-Overall**17%
*“Didn't Work for Me”*
**Value For Money**14%
*“Overpriced”*
**Moist/Dry**9%
*“Overly dry”*
**Dosage**5%
*“the bottle is a just shy of a 2 month supply so you should see a difference before you finish the first bottle”*
**Vitamin**4%
*“Stopped the vitamin”*
**Side Effects**4%
*“Its making me nauseous”*
**Acid Regulator/Stomach Ache Relief**3%
*“Its making me nauseous”*
**Size-Overall**3%
*“Bottle is way too big”*
**Ingredients-Overall**2%
*“Ingredients not strong enough to really do anything”*
**Quality-Overall**2%
*“now that I see your quality control is garbage I'll just stick with my eye plugs from the doctor”*
### **Top return reasons **
**Blood Sugar Level**20%
**Value For Money**20%
**Shrinkage Resistance**20%
**Ingredients-Overall**20%
**Acid Regulator/Stomach Ache Relief**20%
## **Common hydroeye questions**
- **Is hydroeye profitable to sell on Amazon United States?**
- The niche generates $3.4M/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -6.5%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the hydroeye niche?**
- 4 brands and 21 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in hydroeye?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Moist/Dry. The return rate is 0.0%.
- **When does demand for hydroeye peak?**
- Demand peaks in Aug–Sep; the busiest month runs 5.2× the quietest.
- **What does it cost to enter the hydroeye niche?**
- Listings span $17.94–$171.46; the average listing price is $57.49 (sweet spot $15–$100). The average incumbent carries 4,399 reviews — the moat a new listing must climb.
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