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liquid highlighter

Skip it

Prices mostly outside the sweet spot ($5.09–$16.89) — this niche doesn't clear our bar today.

Market size 49Growth 20Conversion 60Competition 57Returns 91Price range 16Avg price 28Brand share 39Review moat 23Quality gap 50

Returns

Great1.2%

return rate — above 5% kills the launch gate

Conversion

Good5.2%

search→purchase rate — share of searches ending in a sale

Competition

Good51%

top-5 click share — leaders hold, buyers still browse

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$265K

$265K/yr · 546K searches

Brand share

Okay81%

top-5 brand share — brands hold most of the demand

Avg price

Okay$9.40

avg listing price — sweet spot $15–$100

Review moat

Bad7,593.85

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-9.6%

90-day search growth — must beat 0% to launch

Price range

Bad$5.09–$16.89

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United States niche tracking, liquid highlighter is a $265K/yr Amazon United States market (546K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Oct. Verdict: Skip it — 46/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

liquid highlighter market data

Units sold / yr
25K–30K
avg 750–1,000/product
Revenue / yr
$235K–$282K
units × avg price
Conversion rate
5.2%
Avg BSR
#82
Page quality
0%
Prime
100%
Sponsored
81%
Out of stock
0.0%
Avg brand age
47 months
Avg seller age
131 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 flat

Sellers

114

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

51%

Top 20: 92%

Open market

14%

  • e.l.f.44%
  • SHEGLAM16%
  • Sharpie12%
  • L'Oreal Paris5%
  • ColourPop5%
  • wet n wild4%
  • Open — no brand owns it (7 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.6% search growth over the last 90 days.
90K70KHoliday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 3.0×

Top liquid highlighter search terms

  • liquid highlighter168K/yr
  • elf highlighter114K/yr
  • liquid highlighter makeup49K/yr
  • sheglam highlighter61K/yr
  • sharpie liquid highlighters38K/yr
  • iluminador liquido14K/yr
  • elf highlighter makeup8K/yr
  • highlighter liquid11K/yr
  • elf halo glow highlighter10K/yr
  • she glam highlighter13K/yr
All search terms

Top liquid highlighter 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%5%$13K10%$26K15%$40K20%$53K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about liquid highlighter

What buyers praise and complain about, mined from review topics.

What buyers love

Brightness/Shine/Glow33%

“Gives a glow”

Color10%

“Fabulous color”

Quality-Overall8%

“The price point is amazing for the quality”

Suitability Combination Skin7%

“Great on skin”

Value For Money7%

“Worth the money”

Soft Feel5%

“Cute and soft”

Moist/Dry3%

“Its a great moisturizer”

Advertised Vs Actual Product2%

“Just as advertised”

Durability2%

“lasts throughout the day”

Weight Light2%

“I like that its lightweight and blends easily”

What buyers complain about

Brightness/Shine/Glow12%

“No glow on skin”

Color6%

“WAY TOO DARK”

Allergies4%

“Allergic reaction”

Durability4%

“It also breaks very easily”

Size-Overall4%

“Small size”

Smell4%

“Chemical smell”

Suitability Combination Skin4%

“It was disappointing that it didnt do what it said in description though matches my skin tone”

Value For Money3%

“overpriced for the quality”

Functionality-Overall2%

“Not working”

Thickness2%

“Too sheer”

Top return reasons

Color42%
Brightness/Shine/Glow10%
Advertised Vs Actual Product9%
Functionality-Overall5%
Weight Light3%
Defective Material/Parts3%
Product Condition3%
Coverage2%
Value For Money2%
Size-Overall2%

Common questions

Is liquid highlighter profitable to sell on Amazon United States?
The niche generates $265K/yr across 27 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -9.6%. Flapen's verdict: Skip it (46/100).
How competitive is the liquid highlighter niche?
13 brands and 114 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 81% of demand.
What do buyers complain about in liquid highlighter?
Top complaints mined from reviews: Brightness/Shine/Glow, Color, Allergies. The return rate is 1.2%.
When does demand for liquid highlighter peak?
Demand peaks in Oct; the busiest month runs 3.0× the quietest.
What does it cost to enter the liquid highlighter niche?
Listings span $5.09–$16.89; the average listing price is $9.40 (sweet spot $15–$100). The average incumbent carries 7,594 reviews — the moat a new listing must climb.