Is hair tonic profitable to sell on Amazon United Kingdom?

The niche generates £309K/yr across 26 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -49.5%. Flapen's verdict: Skip it (48/100).

How competitive is the hair tonic niche?

7 brands and 96 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 97% of demand.

What do buyers complain about in hair tonic?

Top complaints mined from reviews: Value For Money, Language Issues, Instructions/User Manual/Troubleshooting. The return rate is 0.1%.

When does demand for hair tonic peak?

Demand peaks in Feb–Nov; the busiest month runs 2.3× the quietest.

What does it cost to enter the hair tonic niche?

Listings span £6.13–£23.47; the average listing price is £14.10 (sweet spot $15–$100). The average incumbent carries 1,645 reviews — the moat a new listing must climb.

hair tonic

Skip it

Soft demand (-49.5% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great10.1%

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

Avg price

Good£14.10

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good£309K

£309K/yr · 218K searches

Competition

Good54%

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

Review moat

Okay1,645.04

avg incumbent reviews — the moat a new listing must climb

Price range

Okay£6.13–£23.47

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

Brand share

Bad97%

top-5 brand share — brand-locked demand

Growth

Bad-49.5%

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

According to Flapen's Amazon United Kingdom niche tracking, hair tonic is a £309K/yr Amazon United Kingdom market (218K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Feb–Nov. Verdict: Skip it — 48/100.

Data updated Jul 20, 2026 · scored weekly · How we score niches

hair tonic market data

Units sold / yr: 20K–25K; avg 1,000–1,250/product
Revenue / yr: £282K–£353K; units × avg price
Conversion rate: 10.1%
Avg BSR: #185
Page quality: 0%
Prime: 77%
Sponsored: 38%
Out of stock: 8.1%
Avg brand age: 59 months
Avg seller age: 153 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 rising

Sellers

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

54%

Top 20: 93%

Open market

Plantur 3944%
WELEDA21%
REUZEL17%
Alpecin13%
Hunter Jack3%
SOZGE1%
Open — no brand owns it (1 brand, 1%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -49.5% search growth over the last 90 days.

Peak months: Feb, Nov · busiest ÷ quietest = 2.3×

Open Trend

Top hair tonic search terms

plantur 39 tonic80K/yr -56.4%6.4% conv.
hair tonic23K/yr -18.6%3.0% conv.
alpecin caffeine liquid12K/yr +1.0%11.0% conv.
hair tonic for men11K/yr -0.2%3.0% conv.
weleda hair tonic16K/yr -25.6%14.3% conv.
plantur tonic6K/yr -8.8%5.9% conv.
plantur 39 tonic for hair loss11K/yr -62.5%5.7% conv.
reuzel grooming tonic4K/yr +95.2%11.6% conv.
weleda rosemary hair tonic7K/yr -22.4%13.8% conv.
alpecin liquid3K/yr +73.6%10.3% conv.

All search terms

Top hair tonic 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

Weleda Rosemary Oil Revitalising Hair Tonic Hair Growth Thinning Hair Hair Loss Healthy Scalp Women & Men Natural & Organic Vegan Zero Plastic 100ml

WELEDA£8.494.4★9,079 rev

Plantur 39 Caffeine Tonic Prevents and Reduces Hair Loss 2x 200ml | Support Hair Growth and Hair Thickening | Women Hair Care Made in Germany

Plantur 39£18.004.6★578 rev

Plantur 39 Caffeine Shampoo and Tonic Set Prevents and Reduces Hair Loss | For Fine Brittle Hair | Supports Hair Growth | Women Hair Care Made in Germany | Set of 250ml Shampoo and 200ml Tonic

Plantur 39£17.444.6★1,334 rev

Alpecin Caffeine Liquid Hair Tonic 2x 200ml | Against Thinning Hair | Natural Hair Growth for Men | Energizer for Strong Hair | Hair Care for Men Made in Germany

Alpecin£14.564.6★796 rev

Reuzel Grooming Tonic - Pro Oil Treatment For Men With Organic And Natural Ingredients - Pure Vegan Serum That Gives Hair Essential Strength And Moisture - Apple Peppermint Fragrance - 11.83 oz

REUZEL£15.574.6★5,896 rev

Newest

by launch date

Plantur 39£18.4323 rev

2mo ago

Alpecin Caffeine Hair Booster with new Fragrance 2x 200ml | Against Thinning Hair | Natural Hair Growth for Men | Energizer for Strong Hair | Hair Care for Men Made in Germany

Alpecin£18.04962 rev

3y ago

Reuzel Hairspray Grooming Tonic - Subtle Apple Peppermint Fragrance - Perfect for Blow Drying - Ideal for Volume Lift and Texture - Low Shine - Protects Hair from All Thermal Styling - 100 ml

REUZEL£7.971,228 rev

5y ago

Plantur 39 Caffeine Tonic Prevents and Reduces Hair Loss 2x 200ml | Support Hair Growth and Hair Thickening | Women Hair Care Made in Germany

Plantur 39£18.00578 rev

6y ago

Plantur 39 Caffeine Shampoo and Tonic Set Prevents and Reduces Hair Loss | For Fine Brittle Hair | Supports Hair Growth | Women Hair Care Made in Germany | Set of 250ml Shampoo and 200ml Tonic

Plantur 39£17.441,334 rev

6y ago

What buyers say about hair tonic

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

What buyers love

Smell15%

“Amazing smell”

Quality-Overall13%

“Excellent product”

Hair Growth11%

“Helps with growth off hair”

Value For Money9%

“GREAT VALUE”

Ease Of Use5%

“Easy to use”

Soft Feel4%

“soft shiny looking hair”

Ease Of Application4%

“The generously sized 125ml bottle comes with a precise applicator that makes it incredibly easy to target the roots and scalp directly”

Hair Styling4%

“Love it, it's made such a difference, my hair feels bouncy and in great condition”

Advertised Vs Actual Product3%

“As described”

Suitability Straight Hair2%

“My hair feels good after using it”

What buyers complain about

Value For Money17%

“bit expensive”

Language Issues11%

“Unfortunately I cannot read German”

Instructions/User Manual/Troubleshooting10%

“Instructions Not in English”

Smell5%

“- cheap smell”

Lather4%

“I find it particularly hard to lather”

Functionality-Overall4%

“Didnt work”

Symptom Reduction4%

“it hasnt improved mine at all”

Allergies3%

“my scalp became extremely itchy”

Quality-Overall3%

“Not good”

Moist/Dry3%

“The shampoo tends to dry out my hair”

Top return reasons

Leak-Proof44%

Moist/Dry9%

Oily/Greasy7%

Suitability Colored Hair6%

Functionality-Overall4%

Suitability Long Hair4%

Size-Overall4%

Smell4%

Advertised Vs Actual Product4%

Damage/Burn Hair4%

Common questions

Is hair tonic profitable to sell on Amazon United Kingdom?: The niche generates £309K/yr across 26 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -49.5%. Flapen's verdict: Skip it (48/100).
How competitive is the hair tonic niche?: 7 brands and 96 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in hair tonic?: Top complaints mined from reviews: Value For Money, Language Issues, Instructions/User Manual/Troubleshooting. The return rate is 0.1%.
When does demand for hair tonic peak?: Demand peaks in Feb–Nov; the busiest month runs 2.3× the quietest.
What does it cost to enter the hair tonic niche?: Listings span £6.13–£23.47; the average listing price is £14.10 (sweet spot $15–$100). The average incumbent carries 1,645 reviews — the moat a new listing must climb.