korean serum
Worth a lookShows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Competition
Great24%top-5 click share — an open shelf
Brand share
Great52%top-5 brand share — no brand owns this niche
Price range
Great$5.86–$65.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$17.75avg listing price — sweet spot $15–$100
Market size
Great$1.1M$1.1M/yr · 1.6M searches
Conversion
Okay3.8%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-7.6%90-day search growth — must beat 0% to launch
Review moat
Bad13,185.63avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, korean serum is a $1.1M/yr Amazon United States market (1.6M searches/yr). The top 5 brands hold 52% of demand. Verdict: Worth a look — 64/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
korean serum market data
- Units sold / yr
- 60K–80K
- avg 500–750/product
- Revenue / yr
- $1.1M–$1.4M
- units × avg price
- Conversion rate
- 3.8%
- Avg BSR
- #118
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.4%
- Avg brand age
- 43 months
- Avg seller age
- 115 days
Competition & brand share
Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.Brands
46 rising
Sellers
787
Top-5 brand share
52%
Top 20: 88%
Top-5 click share
24%
Top 20: 57%
Open market
41%
- The Ordinary12%
- Good Molecules11%
- SKIN100410%
- Beauty of Joseon9%
- medicube9%
- ANUA7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -7.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top korean serum search terms
- brightening serum273K/yr
- anti aging serum210K/yr
- korean serum176K/yr
- glow serum122K/yr
- skin brightening serum107K/yr
- ceramide serum81K/yr
- face serum korean46K/yr
- night serum50K/yr
- korean serum for face56K/yr
- glass skin serum45K/yr
Top korean 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Good Molecules Daily Brightening Serum with Beta Arbutin 3% & Hyaluronic Acid Brightening Serum for Dark Spots & Uneven Tone Face Skincare 1 fl oz (30 ml)
Good Molecules$7.924.6★5,134 rev
Beauty of Joseon Glow Deep Serum Rice Alpha-Arbutin for Uneven Dull Skin Tone Daily Korean Skin Care for Men and Women 30ml 1.01 fl.oz
Beauty of Joseon$15.534.5★9,667 rev
EQQUALBERRY Vitamin Illuminating Serum | Niacinamide 4% & TXA | Brightening Vitamin C Serum for Face Glow with Hyaluronic Acid | Dark Spot & Uneven Tone Care | Korean Skincare 1.01 fl oz
EQQUALBERRY$18.094.3★15,079 rev
medicube PDRN Pink Peptide Serum with Salmon DNA | Pink Glow Serum with Peptides & Niacinamide for Hydration & Firm-Looking Skin | Uneven Tone Care | Korean Skincare 1.01 fl. Oz
medicube$16.934.7★17,956 rev
![[Hudsons Pick] SKIN1004 Madagascar Centella Ampoule Korean Face Serum with Centella Asiatica for Hydrating & Moisturizing Soothing Facial Serum for Skin Balance Korean Skin Care 3.38 fl.oz 100ml](https://m.media-amazon.com/images/I/31Kxg2RcOgL.jpg)
[Hudsons Pick] SKIN1004 Madagascar Centella Ampoule Korean Face Serum with Centella Asiatica for Hydrating & Moisturizing Soothing Facial Serum for Skin Balance Korean Skin Care 3.38 fl.oz 100ml
SKIN1004$15.544.7★9,046 rev
Newest
by launch date
Truly Beauty Brightening Body Serum | Dark Spot Corrector with Vitamin C & Tranexamic Acid | Helps Fade Hyperpigmentation Dark Spots & Uneven Skin Tone | Clinical Strength Formula
Truly$14.9169 rev
medicube Kojic Acid Turmeric Clarifying & Balancing Capsule Serum for Troubled Skin | Soothing & Brightening Facial Serum | Niacinamide & Glow Capsules for Hydration and Barrier Support | 1.01 fl.oz
medicube$17.042,092 rev
Beauty of Joseon Glow Serum Propolis and Niacinamide Hydrating Facial Soothing Moisturizer for Uneven Skin Tone Korean Skin Care 30ml 1 fl.oz
Beauty of Joseon$15.701,503 rev
BYOMA Phyto-Mucin Glow Serum - Mucin Face Serum for Glass Skin - Plumps Primes + Hydrates - Flawless Primer and Makeup Base - Strengthens Skin Barrier - 1.35 fl.oz
BYOMA$14.801,753 rev
medicube PDRN Pink Peptide Serum with Salmon DNA | Pink Glow Serum with Peptides & Niacinamide for Hydration & Firm-Looking Skin | Uneven Tone Care | Korean Skincare 1.01 fl. Oz
medicube$16.9317,956 rev
Trending
90-day click momentumTruly Beauty Brightening Body Serum | Dark Spot Corrector with Vitamin C & Tranexamic Acid | Helps Fade Hyperpigmentation Dark Spots & Uneven Skin Tone | Clinical Strength Formula
Truly$14.914.3★
[Hudsons Pick] SKIN1004 Madagascar Centella Ampoule Korean Face Serum with Centella Asiatica for Hydrating & Moisturizing Soothing Facial Serum for Skin Balance Korean Skin Care 3.38 fl.oz 100ml
SKIN1004$15.544.7★
SKIN1004 Probio Cica Intensive Ampoule Centella Serum for Face with Ceramide Facial Serum for Nourishing & Soothing Centella Ampoule for Skin Barrier Support Korean Skin Care 1.69fl.oz / 50ml
SKIN1004$14.934.7★
Good Molecules Discoloration Correcting Serum - Serum to Target Dark Spots and Discoloration - Skin Care for Face 1 fl oz
Good Molecules$11.994.4★
medicube Kojic Acid Turmeric Clarifying & Balancing Capsule Serum for Troubled Skin | Soothing & Brightening Facial Serum | Niacinamide & Glow Capsules for Hydration and Barrier Support | 1.01 fl.oz
medicube$17.044.5★
What buyers say about korean serum
What buyers praise and complain about, mined from review topics.What buyers love
“Good for the skin”
“such a nice quality bottle”
“Great hydrating”
“Gentle on skin”
“Gives a nice glow”
“they are affordable”
“Great for Dry Skin”
“Absorbed well”
“Interesting smell”
“Reduces fine lines”
What buyers complain about
“DIDN'T WORK”
“Allergic Reaction”
“Weird smell”
“burned my face”
“No improvement”
“Expensive”
“No hydration”
“Why so sticky”
“Not for dry skin”
“Looks can be deceiving”
Top return reasons
Common questions
- Is korean serum profitable to sell on Amazon United States?
- The niche generates $1.1M/yr across 90 tracked products. 9 of 9 products launched in the last 360 days are still selling. 90-day search growth is -7.6%. Flapen's verdict: Worth a look (64/100).
- How competitive is the korean serum niche?
- 46 brands and 787 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 52% of demand.
- What do buyers complain about in korean serum?
- Top complaints mined from reviews: Functionality-Overall, Allergies, Smell. The return rate is 0.8%.
- When does demand for korean serum peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the korean serum niche?
- Listings span $5.86–$65.09; the average listing price is $17.75 (sweet spot $15–$100). The average incumbent carries 13,186 reviews — the moat a new listing must climb.