Is vitamin c serum profitable to sell on Amazon United Kingdom?

The niche generates £1.0M/yr across 19 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -9.1%. Flapen's verdict: Worth a look (51/100).

How competitive is the vitamin c serum niche?

11 brands and 129 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in vitamin c serum?

Top complaints mined from reviews: Allergies, Moist/Dry, Smell. The return rate is 0.1%.

When does demand for vitamin c serum peak?

Demand peaks in Mar–Apr; the busiest month runs 1.8× the quietest.

What does it cost to enter the vitamin c serum niche?

Listings span £4.01–£12.02; the average listing price is £7.17 (sweet spot $15–$100). The average incumbent carries 17,414 reviews — the moat a new listing must climb.

vitamin c serum

Worth a look

Shows low returns (0.1%), but prices mostly outside the sweet spot ($4.01–$12.02) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great8.1%

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

Market size

Great£1.0M

£1.0M/yr · 1.7M searches

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Okay62%

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

Brand share

Okay85%

top-5 brand share — brands hold most of the demand

Growth

Bad-9.1%

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

Avg price

Bad£7.17

avg listing price — sweet spot $15–$100

Review moat

Bad17,413.95

avg incumbent reviews — the moat a new listing must climb

Price range

Bad£4.01–£12.02

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

According to Flapen's Amazon United Kingdom niche tracking, vitamin c serum is a £1.0M/yr Amazon United Kingdom market (1.7M searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 51/100.

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

vitamin c serum market data

Units sold / yr: 150K–200K; avg 6,000–8,000/product
Revenue / yr: £1.1M–£1.4M; units × avg price
Conversion rate: 8.1%
Avg BSR: #73
Page quality: 0%
Prime: 100%
Sponsored: 84%
Out of stock: 0.0%
Avg brand age: 50 months
Avg seller age: 144 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

129

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

12%

Garnier54%
The Ordinary13%
Florence10%
DR.RASHEL4%
The INKEY List3%
Minimalist3%
Open — no brand owns it (5 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.1% search growth over the last 90 days.

Peak months: Mar, Apr · busiest ÷ quietest = 1.8×

Open Trend

Top vitamin c serum search terms

vitamin c serum695K/yr +1.5%5.9% conv.
garnier vitamin c495K/yr -18.2%6.7% conv.
vitamin c serum for face196K/yr -14.9%5.5% conv.
garnier vitamin c serum55K/yr +3.5%7.1% conv.
vit c serum29K/yr +59.2%5.4% conv.
garnier serum29K/yr -16.9%3.5% conv.
loreal vitamin c serum21K/yr +32.1%4.6% conv.
the ordinary vitamin c23K/yr -30.8%12.2% conv.
vitamin c face18K/yr -4.9%4.6% conv.
vitamin c garnier17K/yr -29.4%7.1% conv.

All search terms

Top vitamin c 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★)

All 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Garnier Vitamin C Brightening Serum for Face with 4% Vitamin C Niacinamide & Salicylic Acid Brightens Skin Reduces Dark Spots & Evens Skin Tone Serum 30ml

Garnier£6.314.4★25,432 rev

The Ordinary Ascorbyl Glucoside Solution 12% Brightening Vitamin C Serum for Even Skin Tone and Antioxidant Protection 30ml

The Ordinary£10.784.5★679 rev

Big 2.11oz. Organic Vitamin C Serum for Face. Anti-Dark Spots Wrinkles Skin Repair Serum with Hyaluronic Acid Vitamin C & Niacinamide. All-in-One Brightening Anti Aging Facial & Eye Area Skincare

Florence£7.944.3★140,963 rev

Garnier Vitamin C Tinted Suncreen for Face SPF50+ Daily UV Brightening Fluid Sheer Glow Prevents Corrects Sun Damages Evens Skin tone Face & Neck For All Skin Types Cruelty-Free Vegan 40ml

Garnier£6.434.5★6,815 rev

Garnier Vitamin C* Fresh & Bright Hydrating Sorbet Cream 4% Vitamin C* & Niacinamide Ultra Fresh & Light For Dull Uneven Skin Cruelty Free International & Vegan - 85ml

Garnier£4.394.2★661 rev

Newest

by launch date

Garnier Bright Complete 30x Vitamin C+ Booster Serum with 2% Niacinamide and 0.5% Salicylic Acid for Skin Brightening and Dark Spots 15ml

Garnier£5.956,821 rev

6mo ago

Garnier Vitamin C* Fresh & Bright Hydrating Sorbet Cream 4% Vitamin C* & Niacinamide Ultra Fresh & Light For Dull Uneven Skin Cruelty Free International & Vegan - 85ml

Garnier£4.39661 rev

9mo ago

Garnier Vitamin C* Wonder Tint SPF50+ Light Shade All-In-1 Tinted Fluid Even Protect and Brighten Skin 5% Vitamin C* Niacinamide Glycerin - 40ml

Garnier£7.71105 rev

9mo ago

Garnier Vitamin C Tinted Suncreen for Face SPF50+ Daily UV Brightening Fluid Sheer Glow Prevents Corrects Sun Damages Evens Skin tone Face & Neck For All Skin Types Cruelty-Free Vegan 40ml

Garnier£6.436,815 rev

2y ago

Garnier Vitamin C* Nutri Glow Body Cream for Dry & Dull Skin Fast absorbing Vegan Formula Instant Skin Hydration Approved by Cruelty Free International 380ml

Garnier£4.01219 rev

3y ago

What buyers say about vitamin c serum

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

What buyers love

Suitability Combination Skin11%

“even good on my sensitive skin”

Quality-Overall11%

“High quality luxury”

Smell7%

“fresh scent to it”

Brightness/Shine/Glow7%

“gives a glow”

Value For Money7%

“Good Buy”

Moist/Dry6%

“Excellent moisturiser”

Soft Feel6%

“Leaves skin soft”

Absorbency5%

“Easily absorbed”

Suitability Dry Skin5%

“I have normal to dry skin”

Texture/Consistency-Overall3%

“Light Texture”

What buyers complain about

Allergies10%

“Skin Irritation”

Moist/Dry7%

“Not hydrating”

Smell6%

“Smells heavily plastic”

Suitability Dry Skin5%

“Not moisturising for dry skin”

Skin Health4%

“Burnt my skin”

Adhesion/Stickiness4%

“Does feel a bit sticky though”

Value For Money4%

“Waste of money”

Quality-Overall3%

“Low performance”

Size-Overall3%

“Not fit for purpose”

Functionality-Overall3%

“Low performance”

Top return reasons

Leak-Proof18%

Size-Overall14%

Functionality-Overall10%

Advertised Vs Actual Product9%

Value For Money7%

Defective Material/Parts6%

Smell5%

Charging4%

Quality-Overall4%

Side Effects3%

Common questions

Is vitamin c serum profitable to sell on Amazon United Kingdom?: The niche generates £1.0M/yr across 19 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -9.1%. Flapen's verdict: Worth a look (51/100).
How competitive is the vitamin c serum niche?: 11 brands and 129 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in vitamin c serum?: Top complaints mined from reviews: Allergies, Moist/Dry, Smell. The return rate is 0.1%.
When does demand for vitamin c serum peak?: Demand peaks in Mar–Apr; the busiest month runs 1.8× the quietest.
What does it cost to enter the vitamin c serum niche?: Listings span £4.01–£12.02; the average listing price is £7.17 (sweet spot $15–$100). The average incumbent carries 17,414 reviews — the moat a new listing must climb.