Serum
FailThe top 5 brands take 100% of clicks, so Serum is a Fail.
- Flapen Score
- 48 / 100Top 44% of 2,481 Beauty niches · +1 vs the category median of 4748
- Market size
- £1.9M/yr2.5M searches / yr
- 90-day growth
- -13.7%search demand this quarter
- Competition
- 64%top-5 click share · 4 brands · 199 sellers
Flapen Score
Serum against its category
The dotted line is the Beauty average. Past it, Serum is stronger. Inside it, weaker.
Market
The Serum market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Serum 2.5M times last year and spent an estimated £1.9M. All 4 brands take every click. Demand peaks in May–Jun. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 7.7% of those searches ended in a purchase.
Shoppers searched for this 2.5M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 7.7% of those searches ended in a purchase. Searches in the last 90 days moved -13.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £1.9M a year.
- Searches, last 12 months
- 2.5M
- Growth, 90 days vs prior 90
- -13.7%
- Conversion, latest week
- 7.7%
- Market size, estimated
- £1.9Ma year
- Peak month
- May2.4× the quietest month
- Top search term
- the ordinary870K searches a year
02 · Price
A sale here is worth £10.18.
Listings sell for £10.18 on average, from £3.96 to £22.09. Amazon reports units sold in ranges. This niche sold 150K to 200K a year. The average listing sells 8,000 to 10,000 of them. At £10.18 that is £81K to £102K a year per listing.
- Average price
- £10.18under the $15 to $100 sweet spot
- Price range
- £3.96–£22.09
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 150K–200K
- Units per listing a year
- 8,000–10,000
- Revenue per listing a year
- £81K–£102K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #31 within Face. It carries 15,198 reviews at 4.52 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #31in Face
- Average rating
- 4.52 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 15,198per listing
- Listings tracked
- 21
04 · Newcomers
3 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top Serum products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
The Ordinary Niacinamide 10% + Zinc 1% Brightening & Smoothing Serum for Blemish-Prone Skin 30ml
- Price
- £3.96
- Rating
- 4.6/5
- Reviews
- 57,923
- Age
- 6y ago

The Ordinary Hyaluronic Acid 2% + B5 (with Ceramides) Multi-Depth Hydration Serum for Plumper Smoother Skin 30ml
- Price
- £6.89
- Rating
- 4.6/5
- Reviews
- 37,319
- Age
- 9y ago

The Ordinary Glycolic Acid 7% Exfoliating Toner Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone 240ml
- Price
- £8.86
- Rating
- 4.6/5
- Reviews
- 54,885
- Age
- 9y ago

The Ordinary Natural Moisturizing Factors + HA Lightweight Hydrator for Skin Barrier Support & Hydration 100ml
- Price
- £8.94
- Rating
- 4.6/5
- Reviews
- 24,145
- Age
- 9y ago

medicube Salmon DNA PDRN Pink Peptide Serum Pink glow serum Peptide Niacinamide Hydrating & Moisturising & Firming Uneven Skin Tone Korean Skincare | 1.01 fl.oz. (1.01 fl.oz. Salmon DNA PDRN)
- Price
- £11.31
- Rating
- 4.5/5
- Reviews
- 17,715
- Age
- 1y ago
Trending
estimated 90-day click momentum
The Ordinary Volufiline 92% + Pal-Isoleucine 1% Plumping Anhydrous Serum Facial Skincare for Loss of Volume 15ml
- Price
- £15.09
- Rating
- 4.3/5
- Reviews
- 126
- Age
- 4mo ago

medicube Salmon DNA PDRN Pink Peptide Serum Pink glow serum Peptide Niacinamide Hydrating & Moisturising & Firming Uneven Skin Tone Korean Skincare | 1.01 fl.oz. (1.01 fl.oz. Salmon DNA PDRN)
- Price
- £11.31
- Rating
- 4.5/5
- Reviews
- 17,715
- Age
- 1y ago

The Ordinary Face & Body Set Daily Skincare Routine with Niacinamide 5% Face & Body Emulsion Natural Moisturizing Factors + Inulin Body Lotion and Natural Moisturizing Factors + Hyaluronic Acid
- Price
- £18.11
- Rating
- 4.5/5
- Reviews
- 93
- Age
- 5mo ago

LOréal Paris Peptide Serum for Lifting Age Perfect Micro-Collagen Rejuvenating & Lifting Serum Firms Sagging Skin Boosts Radiance & Reduces Age Spots 30ml
- Price
- £7.76
- Rating
- 4.6/5
- Reviews
- 91
- Age
- 9mo ago

The Ordinary Multi-Peptide Serum for Hair Density and Scalp Support Peptide-Powered Formula for Thicker Fuller Looking Hair 60ml
- Price
- £16.19
- Rating
- 4.2/5
- Reviews
- 478
- Age
- 3y ago
Newest
by launch date
The Ordinary Volufiline 92% + Pal-Isoleucine 1% Plumping Anhydrous Serum Facial Skincare for Loss of Volume 15ml
- Price
- £15.09
- Rating
- 4.3/5
- Reviews
- 126
- Age
- 4mo ago

The Ordinary Face & Body Set Daily Skincare Routine with Niacinamide 5% Face & Body Emulsion Natural Moisturizing Factors + Inulin Body Lotion and Natural Moisturizing Factors + Hyaluronic Acid
- Price
- £18.11
- Rating
- 4.5/5
- Reviews
- 93
- Age
- 5mo ago

LOréal Paris Peptide Serum for Lifting Age Perfect Micro-Collagen Rejuvenating & Lifting Serum Firms Sagging Skin Boosts Radiance & Reduces Age Spots 30ml
- Price
- £7.76
- Rating
- 4.6/5
- Reviews
- 91
- Age
- 9mo ago

medicube Salmon DNA PDRN Pink Peptide Serum Pink glow serum Peptide Niacinamide Hydrating & Moisturising & Firming Uneven Skin Tone Korean Skincare | 1.01 fl.oz. (1.01 fl.oz. Salmon DNA PDRN)
- Price
- £11.31
- Rating
- 4.5/5
- Reviews
- 17,715
- Age
- 1y ago

The Ordinary Glycolic Acid 7% Exfoliating Toner Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone 100ml
- Price
- £6.25
- Rating
- 4.6/5
- Reviews
- 54,885
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.
Brands
4 falling
Sellers
199
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
64%
Top 20: 99%
Open market
0%
- The Ordinary86%
- L'Oreal Paris6%
- medicube5%
- Garnier3%
- Open — no brand owns it (0%)
Demand
Serum search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun · busiest ÷ quietest = 2.4×
Search terms
Top Serum search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- the ordinary870K/yr
- ordinary186K/yr
- serum208K/yr
- face serum184K/yr
- ordinary skincare307K/yr
- serum face115K/yr
- loreal serum77K/yr
- hydrating serum75K/yr
- face serum for women79K/yr
- ordinary serum63K/yr
Reviews and returns
What reviews say buyers love and hate about Serum
We read the reviews and the return reasons for every product selling here.
“Allergic reaction”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Serum questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









