Is nova hair dye shampoo profitable to sell on Amazon United Kingdom?

The niche generates £45K/yr across 6 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -19.5%. Flapen's verdict: Skip it (41/100).

How competitive is the nova hair dye shampoo niche?

5 brands and 80 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in nova hair dye shampoo?

Top complaints mined from reviews: Color, Value For Money, Allergies. The return rate is 0.7%.

When does demand for nova hair dye shampoo peak?

Demand peaks in Aug–Sep–Oct; the busiest month runs 4.3× the quietest.

What does it cost to enter the nova hair dye shampoo niche?

Listings span £13.54–£32.20; the average listing price is £19.34 (sweet spot $15–$100). The average incumbent carries 110 reviews — the moat a new listing must climb.

nova hair dye shampoo

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Review moat

Great109.67

avg incumbent reviews — the moat a new listing must climb

Price range

Great£13.54–£32.20

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

Avg price

Great£19.34

avg listing price — sweet spot $15–$100

Conversion

Okay3.0%

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

Growth

Bad-19.5%

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

Market size

Bad£45K

£45K/yr · 77K searches

Competition

Bad94%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Low Review Barrier Quality Gap

According to Flapen's Amazon United Kingdom niche tracking, nova hair dye shampoo is a £45K/yr Amazon United Kingdom market (77K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Skip it — 41/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

nova hair dye shampoo market data

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: £39K–£48K; units × avg price
Conversion rate: 3.0%
Avg BSR: #1,445
Page quality: 0%
Prime: 83%
Sponsored: 67%
Out of stock: 15.4%
Avg brand age: 22 months
Avg seller age: 174 days

Competition & brand share

The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

94%

Top 20: 100%

Open market

NOVA SHAMPOO57%
Katslyn14%
Nova Hair13%
Asheyya9%
Liameph7%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -19.5% search growth over the last 90 days.

Peak months: Aug, Sep, Oct · busiest ÷ quietest = 4.3×

Open Trend

Top nova hair dye shampoo search terms

nova hair dye shampoo36K/yr -18.2%4.3% conv.
nova hair3K/yr +7.7%1.5% conv.
nova hair dye shampoo dark brown3K/yr -30.4%4.5% conv.
nova shampoo1K/yr -18.5%2.9% conv.
nova hair dye shampoo black3K/yr -24.1%7.1% conv.
nova hair dye2K/yr -30.0%2.9% conv.
nova hair dye shampoo light brown1K/yr +13.1%0.0% conv.
nova hair shampoo2K/yr -17.9%0.6% conv.
novahair instant dye shampoo572/yr +8.0%3.7% conv.
nova hair dye shampoo for men309/yr -8.2%6.7% conv.

All search terms

Top nova hair dye 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 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Hair Dye Shampoo & Champu Para Canas - Natural 3-in-1 Instant Gray Coverage for Men & Women (Black)

NOVA SHAMPOO£27.794.0★357 rev

Nova Hair Hair Dye Shampoo for Instant Dyeing 3 in 1 Shampoo for Men and Women Dark Brown

Nova Hair£32.203.7★201 rev

Asheyya 200ML Long Lasting Instant Hair Dye Shampoo Fit Men Women (Black)

Asheyya£14.523.9★37 rev

Katslyn Hair Dye Shampoo Women 3 in 1 Hair Dyeing+nourishing+growing Natural Black Shampoo Full Coverage Gentle Hair Dye Shampoo Black Hair Instant Dye Shampoo for Women and Men Lasts 30 Days(Black)

Katslyn£13.643.8★23 rev

Liameph Hair Instant Dye Shampoo 200 ml (Pack of 1) for Men and Women Black

Liameph£13.543.6★13 rev

Newest

by launch date

Hair Dye Shampoo Instant Herbal Coloring Shampoo Natural Plant Hair Dye Shampoo Hair Color Shampoo For Gray Hair Long Lasting Hair Color Shampoo For Women & Men (Dark Brown)

Katslyn£14.3527 rev

3mo ago

Katslyn Hair Dye Shampoo Women 3 in 1 Hair Dyeing+nourishing+growing Natural Black Shampoo Full Coverage Gentle Hair Dye Shampoo Black Hair Instant Dye Shampoo for Women and Men Lasts 30 Days(Black)

Katslyn£13.6423 rev

3mo ago

Hair Dye Shampoo & Champu Para Canas - Natural 3-in-1 Instant Gray Coverage for Men & Women (Black)

NOVA SHAMPOO£27.79357 rev

11mo ago

Nova Hair Hair Dye Shampoo for Instant Dyeing 3 in 1 Shampoo for Men and Women Dark Brown

Nova Hair£32.20201 rev

11mo ago

Liameph Hair Instant Dye Shampoo 200 ml (Pack of 1) for Men and Women Black

Liameph£13.5413 rev

1y ago

What buyers say about nova hair dye shampoo

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

What buyers love

Quality-Overall33%

“Good Quality”

Advertised Vs Actual Product33%

“Product is as described”

Ease Of Use17%

“Easy to use”

Coverage17%

“good colour coverage”

What buyers complain about

Color25%

“The colour fades out quickly”

Value For Money17%

“that was a wast of money”

Allergies17%

“It's full of chemicals very itchy”

Adhesion/Stickiness8%

“Bad product - its very gluey”

Smell8%

“It came out like black tar there was no smell or anything”

Sensitivity-Overall8%

“Burn the skin”

Skin Health8%

“Burn the skin”

Durability8%

“Didn't work last time”

Top return reasons

Functionality-Overall24%

Advertised Vs Actual Product15%

Paint Quality12%

Ingredients-Overall12%

Color12%

Quality-Overall9%

Motor Power6%

Leak-Proof5%

Water Resistance3%

Defective Material/Parts2%

Common questions

Is nova hair dye shampoo profitable to sell on Amazon United Kingdom?: The niche generates £45K/yr across 6 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -19.5%. Flapen's verdict: Skip it (41/100).
How competitive is the nova hair dye shampoo niche?: 5 brands and 80 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in nova hair dye shampoo?: Top complaints mined from reviews: Color, Value For Money, Allergies. The return rate is 0.7%.
When does demand for nova hair dye shampoo peak?: Demand peaks in Aug–Sep–Oct; the busiest month runs 4.3× the quietest.
What does it cost to enter the nova hair dye shampoo niche?: Listings span £13.54–£32.20; the average listing price is £19.34 (sweet spot $15–$100). The average incumbent carries 110 reviews — the moat a new listing must climb.