castor oil eye drops
Skip itA small market ($54K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Avg price
Great$17.51avg listing price — sweet spot $15–$100
Price range
Good$5.28–$37.56cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good64%top-5 brand share — brands hold most of the demand
Conversion
Good5.0%search→purchase rate — share of searches ending in a sale
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Growth
Okay+7.8%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad15,427.41avg incumbent reviews — the moat a new listing must climb
Market size
Bad$54K$54K/yr · 62K searches
According to Flapen's Amazon United States niche tracking, castor oil eye drops is a $54K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 64% of demand. Verdict: Skip it — 49/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
castor oil eye drops market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $53K–$70K
- units × avg price
- Conversion rate
- 5.0%
- Avg BSR
- #702
- Page quality
- 0%
- Prime
- 77%
- Sponsored
- 73%
- Out of stock
- 15.8%
- Avg brand age
- 52 months
- Avg seller age
- 152 days
Competition & brand share
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
83
Top-5 brand share
64%
Top 20: 100%
Top-5 click share
54%
Top 20: 99%
Open market
31%
- Nature Drop24%
- Generic14%
- Refresh10%
- Casa Botanica10%
- BLINK5%
- TearRestore5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +7.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top castor oil eye drops search terms
- castor oil eye drops44K/yr
- castor oil eye drops for dry eyes6K/yr
- organic castor oil eye drops5K/yr
- sterile castor oil eye drops3K/yr
- eye drops with castor oil3K/yr
Top castor oil eye drops 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.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nature Drop Organic Castor Oil 1 oz - 100% USDA Certified Pure Cold Pressed Hexane free - Best oil Growth For Eyelashes Hair Eyebrows Face and Skin Triple Filtered Great for Acne
Nature Drop$9.094.5★1,512 rev
5 MIL. CASTOR OIL CASA BOTANICA
Casa Botanica$11.054.3★115 rev
Refresh OPTIVE MEGA-3 PF Lubricant Eye Drops Preservative-Free Artificial Tears 0.33 fl oz (10mL)
Refresh$18.514.7★25,920 rev
Organic Castor Oil Eye Drops 100% Pure Cold Pressed & Hexane Free Natural Eye Lubricant for Dry Irritated Eyes Cosmetic Use 15ml
Generic$28.935.0★1 rev
BLINK Triple Care Eye Drops for Dry Eyes Lubricant Eye Drops Soothing for Moderate to Severe Dry Eyes with Hyaluronate Reduces Discomfort Long-Lasting Hydration 0.34 Fl Oz
BLINK$13.204.6★5,896 rev
Newest
by launch date
Organic Castor Oil Eye Drops Cold Pressed Hexane Free 0.5 oz
Generic$28.720 rev
Organic Castor Oil Eye Drops Cold Pressed Hexane Free 15ml
Generic$26.150 rev
Organic Castor Oil Eye Drops 100% Pure Cold Pressed & Hexane Free Natural Eye Lubricant for Dry Irritated Eyes Cosmetic Use 15ml
Generic$28.931 rev
TearRestore OneDrop Preservative Free Eye Drops for Dry Eyes Advanced Artificial Tears Formula Safe for Contacts Blur-Free Relief for Severe Dryness Daily Lubricating Eyedrops for Soothing Comfort
TearRestore$17.84171 rev
Refresh OPTIVE MEGA-3 PF Lubricant Eye Drops Preservative-Free Artificial Tears 0.33 fl oz (10mL)
Refresh$18.5125,920 rev
Trending
90-day click momentum
Elite FMN Natural Organic Castor Oil Eye Drop 0.5 fl oz/ 15ml
Generic$34.415.0★
Organic Castor Oil Eye Drops Cold Pressed Hexane Free 0.5 oz
Generic$28.720.0★
Organic Castor Oil Eye Drops 100% Pure Cold Pressed & Hexane Free Natural Eye Lubricant for Dry Irritated Eyes Cosmetic Use 15ml
Generic$28.935.0★
Organic Castor Oil Eye Drops Cold Pressed Hexane Free 15ml
Generic$26.150.0★
Kate Blanc Cosmetics Castor Oil Organic (4oz) 100% Pure Cold Pressed Hexane Free. Natural Oil for Hair Eyelashes Eyebrows. Skin Moisturizer with Starter Kit
Kate Blanc Cosmetics$14.254.5★
What buyers say about castor oil eye drops
What buyers praise and complain about, mined from review topics.What buyers love
“Gentle and Effective for Dry Eyes”
“The quality of these drops is excellent”
“Adds moisture”
“Good Value”
“Works well”
“its really easy to use on the go”
“As advertised”
“Soft Skin”
“it really helps improve my skin”
“Nice thick oil”
What buyers complain about
“Its too hard to squeeze”
“it was wet”
“Allergic reaction”
“Too expensive”
“Did not work”
“Very thick”
“gets you so greasy”
“Definitely false advertising”
“BAD bottle design”
“Hard to dispense”
Top return reasons
Common questions
- Is castor oil eye drops profitable to sell on Amazon United States?
- The niche generates $54K/yr across 22 tracked products. 5 of 8 products launched in the last 360 days are still selling. 90-day search growth is +7.8%. Flapen's verdict: Skip it (49/100).
- How competitive is the castor oil eye drops niche?
- 17 brands and 83 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in castor oil eye drops?
- Top complaints mined from reviews: Ease Of Use, Moist/Dry, Allergies. The return rate is 0.2%.
- When does demand for castor oil eye drops peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the castor oil eye drops niche?
- Listings span $5.28–$37.56; the average listing price is $17.51 (sweet spot $15–$100). The average incumbent carries 15,427 reviews — the moat a new listing must climb.