Is vitamin c serum profitable to sell on Amazon Singapore?

The niche generates $7K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.1%. Flapen's verdict: Worth a look (51/100).

How competitive is the vitamin c serum niche?

14 brands and 21 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 55% of demand.

What do buyers complain about in vitamin c serum?

Top complaints mined from reviews: Side Effects, Value For Money, Functionality-Overall. The return rate is 0.1%.

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

Listings span $9.93–$84.58; the average listing price is $36.66 (sweet spot $15–$100). The average incumbent carries 16,293 reviews — the moat a new listing must climb.

vitamin c serum

Worth a look

Shows low returns (0.1%), but a small market ($7K/yr) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible$36.66

avg listing price — sweet spot $15–$100

Price range

Great$9.93–$84.58

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

Brand share

Great55%

top-5 brand share — no brand owns this niche

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Competition

Good51%

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

Growth

Okay+1.1%

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

Conversion

Bad1.8%

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

Review moat

Bad16,292.88

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$7K

$7K/yr · 10K searches

Signals No Dominant Brand

According to Flapen's Amazon Singapore niche tracking, vitamin c serum is a $7K/yr Amazon Singapore market (10K searches/yr). The top 5 brands hold 55% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

vitamin c serum market data

Units sold / yr: 250–500; avg 0–100/product
Revenue / yr: $9K–$18K; units × avg price
Conversion rate: 1.8%
Avg BSR: #98
Page quality: 0%
Prime: 65%
Sponsored: 18%
Out of stock: 4.6%
Avg brand age: 68 months
Avg seller age: 47 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

Top-5 brand share

55%

Top 20: 100%

Top-5 click share

51%

Top 20: 100%

Open market

37%

Cetaphil17%
Naturium11%
Timeless Skin Care10%
Minimalist9%
RoC8%
COSRX8%

Demand

Weekly Amazon search volume, last 47 weeks — +1.1% search growth over the last 90 days.

Open Trend

Top vitamin c serum search terms

vitamin c serum8K/yr +1.3%2.3% conv.
vitamin c serum for face2K/yr -3.0%3.1% conv.
vit c serum459/yr +13.6%2.0% 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Cetaphil Vitamin C Serum Visibly Reduces Look of Dark Spots and Hyperpigmentation Formulated with Niacinamide Designed for Sensitive Skin Fragrance Free Dermatologist Tested 1oz

Cetaphil$24.494.5★1,049 rev

Vitamin C Complex Face Serum - 1 oz Facial Serum with 22% Vitamin C Complex Plus Hyaluronic Acid & Vitamin E

Naturium$30.124.6★7,440 rev

RoC Multi Correxion Revive + Glow 10% Active Vitamin C Serum for Face Daily Anti-Aging Wrinkle and Skin Tone Skin Care Treatment Brightening Serum Stocking Stuffers for Men & Women 1 oz

RoC$32.754.3★18,522 rev

Cosrx The Vitamin C 23 Face Serum 20g

COSRX$27.364.1★7,708 rev

Timeless Vitamin C Plus E 20 Percent Ferulic Acid Serum for Unisex 1 oz Serum

Timeless Skin Care$41.374.3★9,603 rev

Newest

by launch date

DR. Althea Vitamin C Boosting Serum 30ml

Dr.Althea$18.42815 rev

11mo ago

LA ROCHE-POSAY Pure Vitamin C12 Anti-Wrinkle Concentrate Serum 30ml

La Roche-Posay$75.98766 rev

1y ago

Chemist at Play$9.931,070 rev

1y ago

Paulas Choice 25% Vitamin C Serum with Glutathione & Antioxidants - Improves Discoloration Uneven Tone & Firms

PAULA'S CHOICE$84.58381 rev

2y ago

Minimalist 10% Vitamin C Face Serum for Glowing Skin (Formulated & Tested For Sensitive Skin) | Non Irritating | Non Sticky | Brightening Vit C Formula For Men and Women | 10 ml

Minimalist$15.633,535 rev

2y ago

What buyers say about vitamin c serum

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

What buyers love

Quality-Overall50%

“Great product”

Texture/Consistency-Overall13%

“This serum has a nice texture”

Absorbency13%

“gets absorbed quickly”

Moist/Dry13%

“Good hydration”

What buyers complain about

Side Effects25%

“No effects”

Value For Money25%

“Waste of money”

Functionality-Overall13%

“It doesn't work for my dark spots”

Top return reasons

Functionality-Overall50%

Leak-Proof50%

Common questions

Is vitamin c serum profitable to sell on Amazon Singapore?: The niche generates $7K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.1%. Flapen's verdict: Worth a look (51/100).
How competitive is the vitamin c serum niche?: 14 brands and 21 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 55% of demand.
What do buyers complain about in vitamin c serum?: Top complaints mined from reviews: Side Effects, Value For Money, Functionality-Overall. The return rate is 0.1%.
What does it cost to enter the vitamin c serum niche?: Listings span $9.93–$84.58; the average listing price is $36.66 (sweet spot $15–$100). The average incumbent carries 16,293 reviews — the moat a new listing must climb.