Is hair growth serum profitable to sell on Amazon United Kingdom?

The niche generates £44K/yr across 8 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -23.8%. Flapen's verdict: Skip it (35/100).

How competitive is the hair growth serum niche?

5 brands and 34 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in hair growth serum?

Top complaints mined from reviews: Oily/Greasy, Hair Related, Functionality-Overall. The return rate is 0.4%.

When does demand for hair growth serum peak?

Demand peaks in Mar–Apr; the busiest month runs 2.4× the quietest.

What does it cost to enter the hair growth serum niche?

Listings span £5.97–£25.04; the average listing price is £12.56 (sweet spot $15–$100). The average incumbent carries 8,005 reviews — the moat a new listing must climb.

hair growth serum

Skip it

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

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Great7.4%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Avg price

Good£12.56

avg listing price — sweet spot $15–$100

Price range

Good£5.97–£25.04

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

Review moat

Bad8,005

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-23.8%

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

Market size

Bad£44K

£44K/yr · 48K searches

Competition

Bad89%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, hair growth serum is a £44K/yr Amazon United Kingdom market (48K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 35/100.

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

hair growth serum market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: £38K–£50K; units × avg price
Conversion rate: 7.4%
Avg BSR: #216
Page quality: 0%
Prime: 100%
Sponsored: 75%
Out of stock: 0.0%
Avg brand age: 35 months
Avg seller age: 150 days

Competition & brand share

The top 5 products capture 89% 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

89%

Top 20: 100%

Open market

Forest & Shore57%
Difeel31%
Angozo4%
Chrisxpearl4%
Botanic Hearth4%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -23.8% search growth over the last 90 days.

Peak months: Mar, Apr · busiest ÷ quietest = 2.4×

Open Trend

Top hair growth serum search terms

forest and shore hair growth oil8K/yr -15.5%12.8% conv.
biotin oil6K/yr -7.3%6.1% conv.
natural hair growth oil7K/yr -29.7%0.4% conv.
biotin hair oil3K/yr -14.8%4.3% conv.
biotin oil for hair growth4K/yr -39.6%3.0% conv.
veganic hair growth oil2K/yr +161.7%4.5% conv.
forest and shore2K/yr +8.5%8.4% conv.
biotin hair growth oil5K/yr -47.5%3.1% conv.
biotin hair growth serum3K/yr -36.0%2.4% conv.
essynaturals hair growth oil2K/yr -42.1%1.0% conv.

All search terms

Top hair growth serum 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★)1 product missing review or click data not plotted

All 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Hair Growth Oil 100% Natural Hair Oil with Caffeine Biotin Castor Oil Argan Oil Coconut Oil and Rosemary Oil Effective Thickening Mask & Hair Loss Treatment

Forest & Shore£18.874.4★11,351 rev

Difeel Premium Biotin Hair Oil 210 ml

Difeel£8.064.4★6,030 rev

Difeel Biotin Root Stimulator 2.5 oz. - Follicle Stimulator for Hair Growth

Difeel£5.974.1★1,240 rev

Hair Oil 100% Natural Certified Organic Hallelujah Hair Oil Treatment and Protection - Moisturising And Repairing For Dry Damaged Hair Promotes Healthy Hair Growth With Silky Shiny Smooth Results

Forest & Shore£16.624.4★11,351 rev

Veganic Hair Oil 100% Natural Growth With Caffeine Biotin Coconut Macadamia Rosemary and Castor for Growth Thickening Hair Mask & Loss Treatment 60ml

Angozo£6.914.1★199 rev

Newest

by launch date

2PC Vegan Hair Growth Oil Natural Hair Growth Serum for Thickening Mask & Hair Loss Treatment Hair Oil for Dry Damaged Hair with Caffeine Castor Oil Argan Oil Coconut Oil Rosemary Oil

Chrisxpearl£8.660 rev

7mo ago

Forest & Shore Hair Growth Shampoo and Conditioner Set 98% Natural Ingredients with Rosemary Biotin Caffeine Biacapil and Lavender - Sulphate Free Hair Thickening Shampoo for Women & Men

Forest & Shore£25.0427 rev

9mo ago

Botanic Hearth Rosemary Hair Oil 6.7 Fl Oz (198 ml) | Hair Growth Oil for Thicker Hair Scalp Treatment for Hair Loss Dry & Frizzy Hair Repair Deep Nourishing Oil for All Hair Types

Botanic Hearth£10.3733,842 rev

2y ago

Veganic Hair Oil 100% Natural Growth With Caffeine Biotin Coconut Macadamia Rosemary and Castor for Growth Thickening Hair Mask & Loss Treatment 60ml

Angozo£6.91199 rev

2y ago

Hair Growth Oil 100% Natural Hair Oil with Caffeine Biotin Castor Oil Argan Oil Coconut Oil and Rosemary Oil Effective Thickening Mask & Hair Loss Treatment

Forest & Shore£18.8711,351 rev

4y ago

What buyers say about hair growth serum

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

What buyers love

Smell27%

“It smells divine”

Hair Growth11%

“Perfect for people wanting better hair growth”

Quality-Overall10%

“Good product, arrived on time”

Soft Feel8%

“my hair feels a lot softer”

Value For Money5%

“Worth the price”

Oily/Greasy5%

“Love love love this combo oil”

Moist/Dry4%

“Hair so soft and hydrated”

Brightness/Shine/Glow3%

“healthy-looking shine”

Texture/Consistency-Overall3%

“is of a very good consistency”

Suitability Oily Skin2%

“this oil is a perfect addition for my hair routine”

What buyers complain about

Oily/Greasy14%

“This product was extremely oily”

Hair Related8%

“I did notice a bit more hair fall than usual”

Functionality-Overall6%

“This item doesn't work for me”

Thickness5%

“although hers is much thicker than mine”

Smell4%

“the first thing you notice is the scent”

Value For Money4%

“expensive”

Allergies3%

“I also struggle with an itchy scalp”

Leak-Proof3%

“The bottle was also leaking”

Moist/Dry2%

“My hair usually gets really dry, frizzy and breaks easily,”

Suitability Short Hair2%

“unfortunately I lost a lot of hair around that area”

Top return reasons

Oily/Greasy16%

Leak-Proof16%

Defective Material/Parts11%

Functionality-Overall11%

Smell9%

Advertised Vs Actual Product7%

Dilute/Watery5%

Damage/Burn Hair4%

Suitability Short Hair4%