vitamin c serum
Worth a lookShows a $16.1M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size
Incredible$16.1M$16.1M/yr · 9.1M searches
Returns
Incredible0.8%return rate — above 6% kills the launch gate
Brand share
Great47%top-5 brand share — no brand owns this niche
Avg price
Great$19.17avg listing price — sweet spot $15–$100
Conversion
Great9.3%search→purchase rate — share of searches ending in a sale
Price range
Great$6.62–$45.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great39%top-5 click share — an open shelf
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-4.2%90-day search growth — must beat 0% to launch
Review moat
Bad24,473.95avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, vitamin c serum is a $16.1M/yr Amazon United States market (9.1M searches/yr). The top 5 brands hold 47% of demand. Verdict: Worth a look — 71/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 800K–1.0M
- avg 15,000–20,000/product
- Revenue / yr
- $15.3M–$19.2M
- units × avg price
- Launch success
- —
- 4 of 4 new (360d)
- Conversion rate
- 9.3%
- Avg BSR
- #92
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 3.4%
- Avg brand age
- 54 months
- Avg seller age
- 116 days
Competition
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
33 flat
Sellers
137
Top-5 brand share
47%
Top 20: 89%
Top-5 click share
39%
Top 20: 82%
Open market
48%
- The Ordinary16%
- TruSkin Naturals10%
- CeraVe8%
- Naturium7%
- TruSkin6%
- EQQUALBERRY5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -4.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 40 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TruSkin Vitamin C Serum for Face - Anti Aging Face Serum with Hyaluronic Acid & Vitamin E - Brightening Formula for Improving Appearance of Dark Spots Fine Lines & Wrinkles - All Skin Types 1 fl oz
TruSkin Naturals$19.764.4★155,905 rev
The Ordinary Ascorbyl Glucoside Solution 12% Vitamin C Serum for Even Skin Tone and Antioxidant Protection 1 Fl Oz
The Ordinary$14.124.7★2,409 rev
CeraVe Vitamin C Serum for Face with 10% Pure Vitamin C Hyaluronic Acid & 3 Essential Ceramides Skin Brightening Antioxidant Serum Hydrates & Improves Skin Tone & Texture Fragrance-Free 1oz
CeraVe$21.574.5★43,850 rev
Naturium Vitamin C Complex Face Serum Plus Hyaluronic Acid & Vitamin E Anti Aging Skin Care Treatment 1 oz
Naturium$19.174.6★8,111 rev
The Ordinary Multi-Antioxidant Radiance Serum Vitamin C Serum For Face Brighten & Protect Skin Boosts Glow & Shields Against Environmental Stressors 1 Fl Oz
The Ordinary$13.674.5★1,032 rev
Newest
by launch date
GOODAL Vitamin C Brightening Serum ALPHA | 5% Niacinamide & Exosome for Dark Spot Care | Gentle Daily Facial Serum for Radiant Glow Skin | Green Tangerine | Korean Skincare | 1.01 fl oz (30ml)
GOODAL$18.535,209 rev
Arencia Vitamin C Booster Shot Serum with Glutathione Niacinamide and Vitamin E for Dark Spot Care Fine Lines & Wrinkles Glass Skin Korean Skincare 30ml/1.01 fl.oz
ARENCIA$21.581,946 rev
COSRX Advanced Pure Vitamin C 23% Serum with Vitamin E & Glutathione Korean Vitamin C Serum for Fine Lines Uneven Skin Tone & Dull Skin 0.7oz Korean Skin Care
COSRX$21.30621 rev
medicube Deep Vitamin C Capsule Serum 1.01 fl.oz
medicube$17.73696 rev
The Ordinary Multi-Antioxidant Radiance Serum Vitamin C Serum For Face Brighten & Protect Skin Boosts Glow & Shields Against Environmental Stressors 1 Fl Oz
The Ordinary$13.671,032 rev
Trending
90-day click momentumArencia Vitamin C Booster Shot Serum with Glutathione Niacinamide and Vitamin E for Dark Spot Care Fine Lines & Wrinkles Glass Skin Korean Skincare 30ml/1.01 fl.oz
ARENCIA$21.584.4★
GOODAL Vitamin C Brightening Serum ALPHA | 5% Niacinamide & Exosome for Dark Spot Care | Gentle Daily Facial Serum for Radiant Glow Skin | Green Tangerine | Korean Skincare | 1.01 fl oz (30ml)
GOODAL$18.534.5★
medicube Deep Vitamin C Capsule Serum 1.01 fl.oz
medicube$17.734.7★
COSRX Advanced Pure Vitamin C 23% Serum with Vitamin E & Glutathione Korean Vitamin C Serum for Fine Lines Uneven Skin Tone & Dull Skin 0.7oz Korean Skin Care
COSRX$21.304.4★
Timeless Skin Care Vitamin C Serum with Vitamin E & Ferulic Acid - Brightening Serum - for Oily & Dry Skin - Fragrance-Free - 1.7 oz
Timeless Skin Care$31.814.3★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great for my skin”
“Excellent Product”
“Leaves skin soft”
“Skin glowing”
“Great deal”
“Nice hydration”
“Absorbs beautifully”
“Great for extra dry skin”
“Fragrance free”
“works well and be consistent”
What buyers complain about
“No effective”
“Skin Reaction”
“NOT fragrance free”
“overpriced”
“I just havent seeing any improvement on my skin”
“burned my skin”
“No hydration”
“Fake advertising”
“found it way too sticky”
“This product is not for dry skin”
Top return reasons
Common questions
- Is vitamin c serum profitable to sell on Amazon United States?
- The niche generates $16.1M/yr across 40 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -4.2%. Flapen's verdict: Worth a look (71/100).
- How competitive is the vitamin c serum niche?
- 33 brands and 137 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 47% of demand.
- What do buyers complain about in vitamin c serum?
- Top complaints mined from reviews: Functionality-Overall, Allergies, Smell. The return rate is 0.8%.
- When does demand for vitamin c serum peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the vitamin c serum niche?
- Listings span $6.62–$45.68; the average listing price is $19.17 (sweet spot $15–$100). The average incumbent carries 24,474 reviews — the moat a new listing must climb.
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