anua vitamin c serum
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Conversion
Great8.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.58avg listing price — sweet spot $15–$100
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Price range
Good$8.77–$21.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$252K$252K/yr · 190K searches
Growth
Bad-10.5%90-day search growth — must beat 0% to launch
Review moat
Bad15,347avg incumbent reviews — the moat a new listing must climb
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, anua vitamin c serum is a $252K/yr Amazon United States market (190K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
anua vitamin c serum market data
- Units sold / yr
- 15K–20K
- avg 2,000–2,500/product
- Revenue / yr
- $249K–$332K
- units × avg price
- Conversion rate
- 8.0%
- Avg BSR
- #194
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 25.0%
- Avg brand age
- 56 months
- Avg seller age
- 126 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
7
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- COSRX91%
- SeoulCeuticals5%
- ELBBUB4%
Demand
Weekly Amazon search volume, last 49 weeks — -10.5% search growth over the last 90 days.Top anua vitamin c serum search terms
- cosrx vitamin c62K/yr
- cosrx vitamin c serum c-2329K/yr
- 20% vitamin c serum17K/yr
- vitamin c serum 20%15K/yr
- cosrx vitamin c serum22K/yr
- cosrx the vitamin c 23 serum8K/yr
- vitamin c serum cosrx6K/yr
- cosrx vitamin c 135K/yr
- vitamin c cosrx5K/yr
- vitamin c 20% serum4K/yr
Top anua 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.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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★621 rev

COSRX Pure Vitamin C 13% Serum (Renewal) with Vitamin E & Hyaluronic Acid Korean Vitamin C Serum Hydrating Facial Serum for Uneven Skin Tone Dull Skin 0.67 oz Korean Skin Care
COSRX$18.164.6★165 rev

SeoulCeuticals Korean Skin Care 20% Vitamin C Hyaluronic Acid Serum + CE Ferulic Acid - Potent Anti Aging Anti Wrinkle Korean Beauty 1oz
SeoulCeuticals$18.094.4★27,797 rev

Premium 20% Vitamin C Serum For Face with Hyaluronic Acid Retinol & Amino Acids - Boost Skin Collagen Hydrate & Plump Skin Anti Aging & Wrinkle Facial Serum 60ml
ELBBUB$8.774.4★32,805 rev
Newest
by launch date
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

COSRX Pure Vitamin C 13% Serum (Renewal) with Vitamin E & Hyaluronic Acid Korean Vitamin C Serum Hydrating Facial Serum for Uneven Skin Tone Dull Skin 0.67 oz Korean Skin Care
COSRX$18.16165 rev

Premium 20% Vitamin C Serum For Face with Hyaluronic Acid Retinol & Amino Acids - Boost Skin Collagen Hydrate & Plump Skin Anti Aging & Wrinkle Facial Serum 60ml
ELBBUB$8.7732,805 rev

SeoulCeuticals Korean Skin Care 20% Vitamin C Hyaluronic Acid Serum + CE Ferulic Acid - Potent Anti Aging Anti Wrinkle Korean Beauty 1oz
SeoulCeuticals$18.0927,797 rev
Trending
90-day click momentum
COSRX Pure Vitamin C 13% Serum (Renewal) with Vitamin E & Hyaluronic Acid Korean Vitamin C Serum Hydrating Facial Serum for Uneven Skin Tone Dull Skin 0.67 oz Korean Skin Care
COSRX$18.164.6★

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★

SeoulCeuticals Korean Skin Care 20% Vitamin C Hyaluronic Acid Serum + CE Ferulic Acid - Potent Anti Aging Anti Wrinkle Korean Beauty 1oz
SeoulCeuticals$18.094.4★

Premium 20% Vitamin C Serum For Face with Hyaluronic Acid Retinol & Amino Acids - Boost Skin Collagen Hydrate & Plump Skin Anti Aging & Wrinkle Facial Serum 60ml
ELBBUB$8.774.4★
What buyers say about anua vitamin c serum
What buyers praise and complain about, mined from review topics.What buyers love
“As good as the expensive brands”
“good in skin”
“gives it shine”
“This smooths out skin”
“Reasonably priced”
“is fragrance-free”
“absorbs well”
“Good Skin Moisturizer”
“This makes it perfect for layering under moisturizer”
“This product is very effective”
What buyers complain about
“Strong very unpleasant smell”
“irritating”
“Didn't notice any results”
“is not as dry”
“Felt like this product was a little misleading”
“It is very watery”
“Very thin”
“it destroyed my skin”
“it kind of drip all over”
“Definitely not really worth the purchase”
Top return reasons
Common questions
- Is anua vitamin c serum profitable to sell on Amazon United States?
- The niche generates $252K/yr across 4 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -10.5%. Flapen's verdict: Skip it (40/100).
- How competitive is the anua vitamin c serum niche?
- 3 brands and 7 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in anua vitamin c serum?
- Top complaints mined from reviews: Smell, Allergies, Functionality-Overall. The return rate is 0.8%.
- What does it cost to enter the anua vitamin c serum niche?
- Listings span $8.77–$21.30; the average listing price is $16.58 (sweet spot $15–$100). The average incumbent carries 15,347 reviews — the moat a new listing must climb.