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Biotin Hair Growth Serum

Fail

Demand is soft, at -15.6% this quarter, so Biotin Hair Growth Serum is a Fail.

Flapen Score
44
44 / 100
Ranks 6,956 of 10,978 Beauty & Personal Care niches · −4 vs the category median of 48
Market size
$78K/yr62K searches / yr
90-day growth
-15.6%search demand this quarter
Competition
67%top-5 click share · 10 brands · 72 sellers

Flapen Score

Biotin Hair Growth Serum against its category

The dotted line is the Beauty & Personal Care average. Past it, Biotin Hair Growth Serum is stronger. Inside it, weaker.

44Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Biotin Hair Growth Serum market on Amazon at a glance

Shoppers on Amazon United States searched for Biotin Hair Growth Serum 62K times last year and spent an estimated $78K. The top 5 brands take 91% of clicks. Demand peaks in Jul–Oct. Flapen scores it 44 out of 100, a Fail.

01 · Demand

An estimated 6.6% of those searches ended in a purchase.

Shoppers searched for this 62K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.6% of those searches ended in a purchase. Searches in the last 90 days moved -15.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $78K a year.

Searches, last 12 months
62K
Growth, 90 days vs prior 90
-15.6%
Conversion, latest week
6.6%
Market size, estimated
$78Ka year
Peak month
October2.0× the quietest month
Top search term
luseta biotin and collagen shampoo9K searches a year

02 · Price

A sale here is worth $18.97.

Listings sell for $18.97 on average, from $7.48 to $47.89. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $18.97 that is $2K to $5K a year per listing.

Average price
$18.97inside the $15 to $100 sweet spot
Price range
$7.48–$47.89
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
4K–5K
Units per listing a year
100–250
Revenue per listing a year
$2K–$5K
Returns
0.9%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

79% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #163 within Hair Loss Products. It carries 15,434 reviews at 4.39 stars, so a new listing needs social proof before a better product.

Sponsored listings
79%
Prime listings
95%
Out of stock, average day
0.0%
Average rank
#163in Hair Loss Products
Average rating
4.39 starsAmazon United States average 4.42 stars
Average reviews
15,434per listing
Listings tracked
19

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 49 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
49 months

Products

Top Biotin Hair Growth 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 14, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 67% of clicks. Leaders hold, but buyers still shop past them.

$0$8K$16K$23K$31K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 falling

Sellers

72

Est. top-5 brand share

91%

Top 20: 100%

Est. top-5 click share

67%

Top 20: 100%

Open market

7%

  • L LUSETA59%
  • LUSETA12%
  • Meraz Pureauty Naturals9%
  • BELLISSO8%
  • PURE RESEARCH3%
  • HerStyler2%
  • Open — no brand owns it (4 brands, 7%)

Demand

Biotin Hair Growth Serum search demand

Weekly searches over the year, seasonality beneath. Pick a range.

4K3KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Oct · busiest ÷ quietest = 2.0×

Search terms

Top Biotin Hair Growth Serum search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • luseta biotin and collagen shampoo9K/yr
  • biotin hair serum14K/yr
  • luseta biotin and collagen20K/yr
  • biotin serum7K/yr
  • biotin hair growth serum8K/yr
  • biotin serum for hair growth women5K/yr

Reviews and returns

What reviews say buyers love and hate about Biotin Hair Growth Serum

We read the reviews and the return reasons for every product selling here.

20%of positive reviews mention “Smell”
13%of negative reviews mention “Oily/Greasy”
0.9%of orders come back
“Made my hair greasy”
A buyer, on “Oily/Greasy”13% of negative reviews mention the same topic

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.

21 topics

NegativePositive

FAQ

Common Biotin Hair Growth 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