Is gisou hair oil profitable to sell on Amazon United Kingdom?

The niche generates £3.0M/yr across 21 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.4%. Flapen's verdict: Worth a look (56/100).

How competitive is the gisou hair oil niche?

3 brands and 15 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in gisou hair oil?

Top complaints mined from reviews: Value For Money, Moist/Dry, Hair Related. The return rate is 0.3%.

When does demand for gisou hair oil peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 2.7× the quietest.

What does it cost to enter the gisou hair oil niche?

Listings span £16.47–£45.00; the average listing price is £22.51 (sweet spot $15–$100). The average incumbent carries 26,079 reviews — the moat a new listing must climb.

gisou hair oil

Worth a look

Shows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Market size

Incredible£3.0M

£3.0M/yr · 1.5M searches

Price range

Incredible£16.47–£45.00

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

Avg price

Great£22.51

avg listing price — sweet spot $15–$100

Conversion

Great8.6%

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

Competition

Okay56%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-4.4%

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

Review moat

Bad26,078.86

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, gisou hair oil is a £3.0M/yr Amazon United Kingdom market (1.5M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Worth a look — 56/100.

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

gisou hair oil market data

Units sold / yr: 125K–150K; avg 5,000–6,000/product
Revenue / yr: £2.8M–£3.4M; units × avg price
Conversion rate: 8.6%
Avg BSR: #27
Page quality: 0%
Prime: 100%
Sponsored: 52%
Out of stock: 0.0%
Avg brand age: 65 months
Avg seller age: 148 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

56%

Top 20: 99%

Open market

OLAPLEX77%
KÉRASTASE22%
OUAI1%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 75 weeks — -4.4% search growth over the last 90 days.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 2.7×

Open Trend

Top gisou hair oil search terms

olaplex684K/yr +4.7%7.8% conv.
kerastase hair oil287K/yr -15.9%6.0% conv.
olaplex shampoo and conditioner set207K/yr -26.6%10.9% conv.
olaplex oil78K/yr +46.0%9.7% conv.
kerastase oil39K/yr -2.0%5.0% conv.
gisou hair oil44K/yr -12.7%0.4% conv.
olaplex bonding oil27K/yr -17.3%8.7% conv.
olaplex set33K/yr -23.3%3.6% conv.
kerastase elixir ultime hair oil21K/yr +7.1%9.5% conv.
ouai hair oil20K/yr -4.3%9.7% conv.

All search terms

Top gisou hair oil 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Olaplex N.7 Bonding Oil: Concentrated High Shine Oil | Heat Protectant Visibly Smooths & Softens Hair Added Color Vibrancy Up to 72 Hour Frizz Control | For Coily Curly Straight and Wavy

OLAPLEX£16.474.6★59,485 rev

Olaplex N.4 Bond Maintenance Hair Strengthening Shampoo: Repairs Damage & Defend Against Future Breakage | Replenishes Hydration | For Coily Curly Straight and Wavy 250 mL / 8.5 Fl. Oz.

OLAPLEX£16.524.6★73,952 rev

Olaplex N. 5 Bond Maintenance Conditioner: Reduces Breakage & Strengthens Hair | Hydrates Smooths & Detangles | For Coily Curly Straight and Wavy 250 mL / 8.5 Fl. Oz.

OLAPLEX£16.614.6★76,209 rev

Olaplex Healthy Hair Discovery Set: N.4 5 0.5 6 7 Value Set | Cleanse Hydrate Reduce Breakage and Boost Shine & Softness | For Coily Curly Straight and Wavy

OLAPLEX£18.824.3★504 rev

Olaplex Wash and Shine Hair Kit: N.4 5 7 Shampoo & Conditioner Set | Cleanse Hydrate & Control Frizz Up to 72 Hours | Bonding Oil for Shine & Protect | For Coily Curly Straight and Wavy

OLAPLEX£45.004.6★833 rev

Newest

by launch date

Olaplex N.3PLUS Complete Repair Treatment: Pre-Shampoo Repairs Damage & Future Breakage | 3 Minutes 3 Bonds 3X Stronger 3X Softer | For Coily Curly Straight and Wavy 100 mL / 3.3 Fl Oz

OLAPLEX£23.49871 rev

3mo ago

Olaplex Endless Shine Smooth Hair Styling Gift Set

OLAPLEX£31.5159,485 rev

4mo ago

Olaplex Healthy Hair Discovery Set: N.4 5 0.5 6 7 Value Set | Cleanse Hydrate Reduce Breakage and Boost Shine & Softness | For Coily Curly Straight and Wavy

OLAPLEX£18.82504 rev

7mo ago

Olaplex Wash and Shine Hair Kit: N.4 5 7 Shampoo & Conditioner Set | Cleanse Hydrate & Control Frizz Up to 72 Hours | Bonding Oil for Shine & Protect | For Coily Curly Straight and Wavy

OLAPLEX£45.00833 rev

1y ago

Kérastase Gloss Absolu Glaze Drops Hair Oil Illuminating Leave-In Treatment For Intense Shine And Frizz Control With Wild Rose For Dull & Frizz-Prone Hair 45ml

KÉRASTASE£23.702,614 rev

1y ago

What buyers say about gisou hair oil

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

What buyers love

Quality-Overall20%

“Excellent product”

Smell10%

“Smell good”

Value For Money9%

“Good value for money”

Soft Feel9%

“my hair felt noticeably softer”

Hair Styling6%

“Hair feel good”

Hair Growth6%

“It can make hair feel softer and look healthier,”

Suitability Straight Hair3%

“Great for shiny, healthy hair”

Advertised Vs Actual Product3%

“Did the job perfectly”

Durability3%

“Long lasting”

Moist/Dry2%

“It also helps with reducing dryness”

What buyers complain about

Value For Money24%

“It is expensive”

Moist/Dry8%

“it just felt a little dry to the touch recently”

Hair Related7%

“hair was TERRIBLE after it”

Smell6%

“Strong smell thats quite chemically”

Size-Overall5%

“It is important to note that this set is in fact very small”

Functionality-Overall4%

“Ineffective”

Quality-Overall3%

“even the cheapest ones never did it to me”

Oily/Greasy2%

“Maybe it's the wrong kind of oil for my hair”

Suitability Short Hair2%

“Does nothing to my hair”

Brightness/Shine/Glow2%

“I still dont get the same shine as I did with the product sold at Boots”

Top return reasons

Size-Overall11%

Functionality-Overall11%

Value For Money10%

Product Condition7%

Smell7%

Quality-Overall6%

Oily/Greasy6%

Advertised Vs Actual Product6%

Suitability Short Hair6%

Defective Material/Parts5%

Common questions

Is gisou hair oil profitable to sell on Amazon United Kingdom?: The niche generates £3.0M/yr across 21 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.4%. Flapen's verdict: Worth a look (56/100).
How competitive is the gisou hair oil niche?: 3 brands and 15 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in gisou hair oil?: Top complaints mined from reviews: Value For Money, Moist/Dry, Hair Related. The return rate is 0.3%.
When does demand for gisou hair oil peak?: Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 2.7× the quietest.
What does it cost to enter the gisou hair oil niche?: Listings span £16.47–£45.00; the average listing price is £22.51 (sweet spot $15–$100). The average incumbent carries 26,079 reviews — the moat a new listing must climb.