brown liquid eyeliner
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.1%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Market size
Okay£133K£133K/yr · 148K searches
Growth
Bad-2.0%90-day search growth — must beat 0% to launch
Avg price
Bad£8.04avg listing price — sweet spot $15–$100
Competition
Bad77%top-5 click share — a locked-up shelf
Review moat
Bad41,049.85avg incumbent reviews — the moat a new listing must climb
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad£5.16–£14.10cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, brown liquid eyeliner is a £133K/yr Amazon United Kingdom market (148K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 38/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
brown liquid eyeliner market data
- Units sold / yr
- 13K–15K
- avg 1,000–1,250/product
- Revenue / yr
- £101K–£121K
- units × avg price
- Conversion rate
- 11.1%
- Avg BSR
- #69
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 62%
- Out of stock
- 2.4%
- Avg brand age
- 55 months
- Avg seller age
- 147 days
Competition & brand share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
51
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
77%
Top 20: 100%
Open market
0%
- NYX PROFESSIONAL MAKEUP87%
- Stila13%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.0% search growth over the last 90 days.Peak months: Oct, Nov, Dec · busiest ÷ quietest = 1.7×
Top brown liquid eyeliner search terms
- nyx eyeliner71K/yr
- stila eyeliner16K/yr
- stila17K/yr
- nyx epic wear eyeliner8K/yr
- stila stay all day waterproof liquid eyeliner6K/yr
- nyx liquid eyeliner5K/yr
- kvd tattoo eyeliner5K/yr
- kat von d tattoo liner3K/yr
- stila eyeshadow5K/yr
- nyx liner3K/yr
Top brown liquid eyeliner 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NYX Professional Makeup Eye Liner Epic Ink Liner Waterproof Liquid Eyeliner Pen 1 Stroke Intense Pigment Flexible Brush for Thin or Thick Lines Korean Makeup Shade Black
NYX PROFESSIONAL MAKEUP£5.774.4★93,874 rev
NYX Professional Makeup Epic Eyeliner Inky Stix Cream Gel Eyeliner lasts up to 24 hours Waterproof Precise Slanted Tip Long Lasting & Easy Application Shade: Black Screen
NYX PROFESSIONAL MAKEUP£6.174.2★994 rev
Stila All Day Waterproof Liquid Eye Liner Easy To Use Eyeliner Pen Smudge and Transfer Proof Liner Stays On All Day and Night Goes On Smoothly Without Skipping Smudging or Pulling
Stila£13.674.2★30,646 rev
NYX Professional Makeup Black Liquid Eye Liner Epic Wear Semi Permanent Liquid Liner Flexible Brush Tip Applicator Intensely Pigmented Shades Waterproof Vegan Formula Shade: Black
NYX PROFESSIONAL MAKEUP£7.214.5★7,808 rev
NYX - Mechanical Eye Pencil Black - 0.34 g
NYX PROFESSIONAL MAKEUP£5.164.3★108,738 rev
Newest
by launch dateNYX Professional Makeup Epic Eyeliner Inky Stix Cream Gel Eyeliner lasts up to 24 hours Waterproof Precise Slanted Tip Long Lasting & Easy Application Shade: Black Screen
NYX PROFESSIONAL MAKEUP£6.17994 rev
NYX Professional Makeup Epic Eyeliner Inky Stix Cream Gel Eyeliner lasts up to 24 hours Waterproof Precise Slanted Tip Long Lasting & Easy Application Shade: Kinetic Copper
NYX PROFESSIONAL MAKEUP£6.50994 rev
Stay All Day Smudge & Set Waterproof Gel Eye Liner 0.35g - Damsel Dark Brown
Stila£14.10231 rev
NYX Professional Makeup Epic Ink Liner Brush Tip Liquid Eye Liner Pen Up To 24 Hours of Wear 6 Intensely Pigmented Shades Waterproof Vegan Formula Shade: Dark Chocolate
NYX PROFESSIONAL MAKEUP£7.9793,874 rev
NYX Professional Makeup Eye Liner Epic Ink Liner Waterproof Liquid Eyeliner Pen 1 Stroke Intense Pigment Flexible Brush for Thin or Thick Lines Korean Makeup Shade Milk Chocolate
NYX PROFESSIONAL MAKEUP£6.3793,874 rev
Trending
90-day click momentumNYX Professional Makeup Epic Ink Liner Brush Tip Liquid Eye Liner Pen Up To 24 Hours of Wear 6 Intensely Pigmented Shades Waterproof Vegan Formula Shade: Dark Chocolate
NYX PROFESSIONAL MAKEUP£7.974.4★
NYX Professional Makeup Epic Eyeliner Inky Stix Cream Gel Eyeliner lasts up to 24 hours Waterproof Precise Slanted Tip Long Lasting & Easy Application Shade: Kinetic Copper
NYX PROFESSIONAL MAKEUP£6.504.2★
NYX Professional Makeup Epic Eyeliner Inky Stix Cream Gel Eyeliner lasts up to 24 hours Waterproof Precise Slanted Tip Long Lasting & Easy Application Shade: Black Screen
NYX PROFESSIONAL MAKEUP£6.174.2★
NYX Professional Makeup Epic Wear Semi-Permanent Liquid Liner with 72H Staying Power Longwearing Waterproof Eye Liner and Body Art Matte Finish Colour: Brown
NYX PROFESSIONAL MAKEUP£6.984.4★
Stay All Day Smudge & Set Waterproof Gel Eye Liner 0.35g - Damsel Dark Brown
Stila£14.104.4★
What buyers say about brown liquid eyeliner
What buyers praise and complain about, mined from review topics.What buyers love
“long lasting eyeliner I've ever used”
“Seems to perform well”
“Lovely colour”
“Lasts all day”
“Worth the money”
“Easy application”
“doesnt smudge at all”
“It was pretty good and soft”
“Eye liner”
“Ease of use”
What buyers complain about
“Not very impressed with it's durability”
“Never had an eyeliner run out so fast”
“Dry”
“However, I went outside for 4 hours and when I came back I had smudges in the corner of my eyes”
“Be warned—this isn't a splash of water”
“has no pigment”
“not enough of it for the price”
“Its thin and gets those sharp lines”
“this time it's giving my left eye some kind of reaction”
“the amount of product is tiny”
Top return reasons
Common questions
- Is brown liquid eyeliner profitable to sell on Amazon United Kingdom?
- The niche generates £133K/yr across 13 tracked products. 90-day search growth is -2.0%. Flapen's verdict: Skip it (38/100).
- How competitive is the brown liquid eyeliner niche?
- 2 brands and 51 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in brown liquid eyeliner?
- Top complaints mined from reviews: Durability, Eyeliner Quality, Moist/Dry. The return rate is 0.1%.
- When does demand for brown liquid eyeliner peak?
- Demand peaks in Oct–Nov–Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the brown liquid eyeliner niche?
- Listings span £5.16–£14.10; the average listing price is £8.04 (sweet spot $15–$100). The average incumbent carries 41,050 reviews — the moat a new listing must climb.