A22 Biotin Boost Hair Scalp Serum
MaybeAn estimated 1.0% of orders come back. But the top 5 products take 82% of clicks, so A22 Biotin Boost Hair Scalp Serum is a Maybe.
- Flapen Score
- 56 / 100Top 17% of 10,978 Beauty & Personal Care niches · +8 vs the category median of 4856
- Market size
- $93K/yr123K searches / yr
- 90-day growth
- +102.4%search demand this quarter
- Competition
- 82%top-5 click share · 11 brands · 247 sellers
Flapen Score
A22 Biotin Boost Hair Scalp Serum against its category
The dotted line is the Beauty & Personal Care average. Past it, A22 Biotin Boost Hair Scalp Serum is stronger. Inside it, weaker.
Market
The A22 Biotin Boost Hair Scalp Serum market on Amazon at a glance
Shoppers on Amazon United States searched for A22 Biotin Boost Hair Scalp Serum 123K times last year and spent an estimated $93K. The top 5 brands take 82% of clicks. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 2.2% of those searches ended in a purchase.
Shoppers searched for this 123K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.2% of those searches ended in a purchase. Searches in the last 90 days moved +102.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $93K a year.
- Searches, last 12 months
- 123K
- Growth, 90 days vs prior 90
- +102.4%
- Conversion, latest week
- 2.2%
- Market size, estimated
- $93Ka year
- Top search term
- a22 biotin boost hair scalp serum47K searches a year
02 · Price
A sale here is worth $35.01.
Listings sell for $35.01 on average, from $8.60 to $69.63. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 100 to 250 of them. At $35.01 that is $4K to $9K a year per listing.
- Average price
- $35.01inside the $15 to $100 sweet spot
- Price range
- $8.60–$69.63
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $4K–$9K
- Returns
- 1.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
82% of listings pay for placement with sponsored ads. 73% ship with Prime. On an average day, 6.7% of listings are out of stock. The average listing ranks #1,004 within Hair Loss Products. It carries 2,720 reviews at 4.02 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 82%
- Prime listings
- 73%
- Out of stock, average day
- 6.7%
- Average rank
- #1,004in Hair Loss Products
- Average rating
- 4.02 starsAmazon United States average 4.42 stars
- Average reviews
- 2,720per listing
- Listings tracked
- 11
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 36 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 36 months
Products
Top A22 Biotin Boost Hair Scalp 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.
Top sellers
by estimated 90-day click share
SPOILEDCHILD Hair Revitalizer: Natural Thickening & Growth Serum with Niacinamide Caffeine - A22 Boost for Hair and Scalp
- Price
- $69.63
- Rating
- 3.2/5
- Reviews
- 168
- Age
- 2y ago

Hair Growth Serum: Rosemary Batana Castor Oil Rice Water Biotin Hair Oils for Hair Growth - Hair Growth Thickening Product - Hair Loss Treatments for Women Men(50 ML)
- Price
- $17.29
- Rating
- 4.3/5
- Reviews
- 930
- Age
- 1y ago

SpoiledChild A22 Biotin Boost Hair + Scalp Serum - Biotin Niacinamide Rosemary Oil - Hair Growth Thickening & Scalp Health - Vegan & Paraben-Free - 50 ml Refill Capsule
- Price
- $54.93
- Rating
- 3.7/5
- Reviews
- 46
- Age
- 3y ago

The Spa Dr. Hair Serum - Clean Hair Thickening Serum with Red Clover and Pea Sprout Extracts and Peptides - 1.5 Fl. Oz.
- Price
- $58.74
- Rating
- 3.8/5
- Reviews
- 35
- Age
- 1y ago

Biotin Hair Thickening Serum for Men and Women - Intense Strengthening Treatment Product with Natural Botanical Oil Blend to Help Boost Thin Hair - Repair Thinning Hair Increase Volume and Shine
- Price
- $13.05
- Rating
- 4.4/5
- Reviews
- 6,072
- Age
- 5y ago
Trending
estimated 90-day click momentum
Hair Growth Serum Roll On with Rosemary Caffeine & Biotin Helps Support Fuller-Looking Hair Clean Non-Greasy Scalp Serum for Thinning Hair 1.08 Fl Oz
- Price
- $13.60
- Rating
- 4.5/5
- Reviews
- 52
- Age
- 5mo ago

Routine Wellness Anti-Thinning Shampoo and Conditioner Set for Thinning Hair - Biotin DHT Blocker Women & Men - Color Safe Shampoo for Hair Loss & Healthier Hair - Coconut & Vanilla (Pack of 2)
- Price
- $47.44
- Rating
- 4.2/5
- Reviews
- 13,240
- Age
- 2y ago

SPOILEDCHILD Hair Revitalizer: Natural Thickening & Growth Serum with Niacinamide Caffeine - A22 Boost for Hair and Scalp
- Price
- $69.63
- Rating
- 3.2/5
- Reviews
- 168
- Age
- 2y ago

Biotin Hair Thickening Serum for Men and Women - Intense Strengthening Treatment Product with Natural Botanical Oil Blend to Help Boost Thin Hair - Repair Thinning Hair Increase Volume and Shine
- Price
- $13.05
- Rating
- 4.4/5
- Reviews
- 6,072
- Age
- 5y ago

SpoiledChild A22 Biotin Boost Hair + Scalp Serum - Biotin Niacinamide Rosemary Oil - Hair Growth Thickening & Scalp Health - Vegan & Paraben-Free - 50 ml Refill Capsule
- Price
- $54.93
- Rating
- 3.7/5
- Reviews
- 46
- Age
- 3y ago
Newest
by launch date
Hair Growth Serum Roll On with Rosemary Caffeine & Biotin Helps Support Fuller-Looking Hair Clean Non-Greasy Scalp Serum for Thinning Hair 1.08 Fl Oz
- Price
- $13.60
- Rating
- 4.5/5
- Reviews
- 52
- Age
- 5mo ago

The Spa Dr. Hair Serum - Clean Hair Thickening Serum with Red Clover and Pea Sprout Extracts and Peptides - 1.5 Fl. Oz.
- Price
- $58.74
- Rating
- 3.8/5
- Reviews
- 35
- Age
- 1y ago

Hair Growth Serum: Rosemary Batana Castor Oil Rice Water Biotin Hair Oils for Hair Growth - Hair Growth Thickening Product - Hair Loss Treatments for Women Men(50 ML)
- Price
- $17.29
- Rating
- 4.3/5
- Reviews
- 930
- Age
- 1y ago

Routine Wellness Anti-Thinning Shampoo and Conditioner Set for Thinning Hair - Biotin DHT Blocker Women & Men - Color Safe Shampoo for Hair Loss & Healthier Hair - Coconut & Vanilla (Pack of 2)
- Price
- $47.44
- Rating
- 4.2/5
- Reviews
- 13,240
- Age
- 2y ago

Marc Anthony Grow Long Scalp & Hair Serum - Anti-Breakage Formula Nourish Strengthen & Hydrate Scalp & Hair Follicles - Natural Shine & Fuller-Looking Hair Strands from Root to Tip 2 fl oz
- Price
- $8.60
- Rating
- 4.3/5
- Reviews
- 1,641
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 82% of clicks. A locked shelf that new listings rarely crack.
Brands
11 falling
Sellers
247
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
82%
Top 20: 100%
Open market
14%
- SPOILEDCHILD40%
- Psalmonica16%
- SpoiledChild14%
- The Spa Dr.7%
- BELLISSO6%
- RootStim4%
- Open — no brand owns it (5 brands, 14%)
Demand
A22 Biotin Boost Hair Scalp Serum search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Aug, Sep · busiest ÷ quietest = 11.3× · 11 of 12 months tracked
Search terms
Top A22 Biotin Boost Hair Scalp Serum search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- a22 biotin boost hair scalp serum47K/yr
- a22 hair serum15K/yr
- the spa dr hair serum31K/yr
- spoiled child a22 biotin boost hair scalp serum6K/yr
- spa dr hair serum3K/yr
- the spa dr hair growth serum women5K/yr
- the spa doctor hair serum4K/yr
- spa doctor hair serum2K/yr
- spa dr hair serum for woman7K/yr
- dr spa hair serum2K/yr
Reviews and returns
What reviews say buyers love and hate about A22 Biotin Boost Hair Scalp Serum
We read the reviews and the return reasons for every product selling here.
“AWFUL SMELL”
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.
19 topics
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common A22 Biotin Boost Hair Scalp 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









