Is k18 dry shampoo profitable to sell on Amazon United Kingdom?

The niche generates £716K/yr across 27 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -4.1%. Flapen's verdict: Worth a look (57/100).

How competitive is the k18 dry shampoo niche?

5 brands and 79 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in k18 dry shampoo?

Top complaints mined from reviews: Value For Money, Functionality-Overall, Moist/Dry. The return rate is 0.1%.

What does it cost to enter the k18 dry shampoo niche?

Listings span £1.63–£51.77; the average listing price is £18.61 (sweet spot $15–$100). The average incumbent carries 4,073 reviews — the moat a new listing must climb.

k18 dry shampoo

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great9.8%

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

Avg price

Great£18.61

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Good£1.63–£51.77

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

Market size

Good£716K

£716K/yr · 394K searches

Competition

Okay55%

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

Review moat

Bad4,072.63

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-4.1%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, k18 dry shampoo is a £716K/yr Amazon United Kingdom market (394K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 57/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

k18 dry shampoo market data

Units sold / yr: 30K–40K; avg 1,250–1,500/product
Revenue / yr: £558K–£744K; units × avg price
Conversion rate: 9.8%
Avg BSR: #222
Page quality: 0%
Prime: 100%
Sponsored: 96%
Out of stock: 3.9%
Avg brand age: 63 months
Avg seller age: 160 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

55%

Top 20: 92%

Open market

Living Proof39%
K1832%
Got2B13%
COLOR WOW9%
Moroccanoil7%

Demand

Weekly Amazon search volume, last 45 weeks — -4.1% search growth over the last 90 days.

Open Trend

Top k18 dry shampoo search terms

living proof dry shampoo82K/yr -14.0%11.5% conv.
living proof68K/yr +11.2%2.7% conv.
k18 dry shampoo47K/yr +3.1%7.0% conv.
k18 shampoo34K/yr +3.3%2.8% conv.
got2b dry shampoo23K/yr -21.4%16.8% conv.
colour wow dry shampoo21K/yr -2.8%12.1% conv.
wow dry shampoo20K/yr -4.5%10.4% conv.
moroccan oil dry shampoo16K/yr -28.4%12.8% conv.
living proof perfect hair day11K/yr +22.9%4.6% conv.
k18 airwash dry shampoo8K/yr +12.3%6.4% conv.

All search terms

Top k18 dry shampoo 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

K18 AirWash Dry Shampoo Non-Aerosol Balances Scalp & Controls Excess Oil Production 47ml

K18£20.024.4★1,756 rev

LivingProof Perfect Hair Day Dry Shampoo for Women & Men Detoxifies Scalp

Living Proof£16.174.2★8,842 rev

COLOR WOW Insta-WOW Advanced Dry Shampoo Breaks down and removes oil for shampoo-grade results | No grit no clumping no powdery residue | Best dry shampoo for oily hair

COLOR WOW£19.284.0★195 rev

Living Proof Perfect Hair Day Advanced Clean Dry Shampoo for Women & Men Breakthrough Formula Cleans & Cares Like a Rinse-Out Shampoo

Living Proof£17.433.9★378 rev

K18 AirWash Dry Shampoo Non-Aerosol Balances Scalp & Controls Excess Oil Production 118ml

K18£40.004.4★1,756 rev

Newest

by launch date

K18 PEPTIDE PREP Colour-Safe Detox Clarifying Shampoo Non-Stripping pH-Optimised Cleanse Removes Product Buildup Dirt Oils & Metals 473ml

K18£49.362,446 rev

2mo ago

K18 Damage Shield Wash Care Set Full-Size Colour-Safe Protective Shampoo + Conditioner Reduces Frizz And Tangles Maintains Hair Health Protects From Damage

K18£51.77157 rev

3mo ago

COLOR WOW Insta-WOW Advanced Dry Shampoo Breaks down and removes oil for shampoo-grade results | No grit no clumping no powdery residue | Best dry shampoo for oily hair

COLOR WOW£19.28195 rev

10mo ago

K18 AirWash Dry Shampoo Non-Aerosol Balances Scalp & Controls Excess Oil Production 47ml

K18£20.021,756 rev

11mo ago

K18 Damage Shield Protective Conditioner Protects Hair from Daily Damage Improves Strength & Shine 53ml

K18£11.851,591 rev

12mo ago

What buyers say about k18 dry shampoo

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

What buyers love

Smell19%

“Love the smell”

Moist/Dry19%

“doesnt feel too chalky or dry like other dry shampoos”

Quality-Overall14%

“Best products on the market”

Value For Money9%

“worth it”

Hair Growth4%

“Great product makes hair feel and look healthy”

Hair Styling4%

“promising: my hair looks wonderfully shiny”

Suitability Dry Skin2%

“Best dry shampoo”

Residue2%

“it doesnt leave a residue or smell bad”

Suitability Straight Hair2%

“Hair feels clean on washing”

Advertised Vs Actual Product2%

“Does what itcsays”

What buyers complain about

Value For Money26%

“Expensive”

Functionality-Overall8%

“It doesnt do its job :”

Moist/Dry8%

“A bit drying”

Oily/Greasy5%

“oily”

Quality-Overall4%

“really poor quality”

Residue4%

“created a slight residue”

Smell4%

“unfortunately the smell was too intense for me”

Hair Related4%

“I dont like the feel of my hair when I have used the product”

Durability2%

“find it doesn't last very long”

Motor Power2%

“Pump do not work it is useless”

Top return reasons

Size-Overall19%

Defective Material/Parts15%

Ease Of Use13%

Smell10%

Quality-Overall6%

Value For Money6%

Adhesion/Stickiness6%

Hair Related3%

Shape/Style3%

Compatibility-Overall3%

Common questions

Is k18 dry shampoo profitable to sell on Amazon United Kingdom?: The niche generates £716K/yr across 27 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -4.1%. Flapen's verdict: Worth a look (57/100).
How competitive is the k18 dry shampoo niche?: 5 brands and 79 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in k18 dry shampoo?: Top complaints mined from reviews: Value For Money, Functionality-Overall, Moist/Dry. The return rate is 0.1%.
What does it cost to enter the k18 dry shampoo niche?: Listings span £1.63–£51.77; the average listing price is £18.61 (sweet spot $15–$100). The average incumbent carries 4,073 reviews — the moat a new listing must climb.