---
title: "Roota Hair Growth Serum Roll on — $35K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/roota-hair-growth-serum-roll-on"
last_updated: "2026-08-10T16:47:19.500Z"
locale: en
meta:
  description: "Niche score 58/100 · $35K/yr market · 35K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · $35K/yr market · 35K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Roota Hair Growth Serum Roll on — $35K/yr Amazon US Niche (2026) - Flapen"
---

# **roota hair growth serum roll on**

**Worth a look**

Shows demand growing +646.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 9Growth 100Conversion 58Competition 9Returns 99Price range 76Avg price 89Brand share 18Review moat 99Quality gap 95

**Growth**

**Incredible****+646.9%**

90-day search growth — must beat 0% to launch

**Review moat**

**Incredible****21.11**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Quality gap**

**Incredible****4.0★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Great****$20.66**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.49–$32.49**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Good****4.9%**

search→purchase rate — share of searches ending in a sale

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$35K**

$35K/yr · 35K searches

**Competition**

**Bad****89%**

top-5 click share — a locked-up shelf

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

According to Flapen's Amazon United States niche tracking, roota hair growth serum roll on is a $35K/yr Amazon United States market (35K searches/yr). The top 5 brands hold 93% of demand. Verdict: Worth a look — 58/100.

Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **roota hair growth serum roll on market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$41K–$52K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#693**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**89%**</dd>

<dt>**Sponsored**</dt><dd>**78%**</dd>

<dt>**Out of stock**</dt><dd>**13.7%**</dd>

<dt>**Avg brand age**</dt><dd>**25 months**</dd>

<dt>**Avg seller age**</dt><dd>**139 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**8 **

**Sellers**

**12**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**89%**

Top 20: 100%

**Open market**

**4%**

- Aacnre40% - Minnah37% - Dream Hero7% - FLECKDR5% - CollaBond Virexa4% - MGVAASURC3% - Open — no brand owns it (2 brands, 4%)

## **Demand**

Weekly Amazon search volume, last 10 weeks — +646.9% search growth over the last 90 days.

4K3KSpike '26May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/roota-hair-growth-serum-roll-on/trend)

## **Top roota hair growth serum roll on search terms**

- **roota hair growth serum roll on**22K/yr+475.5%5.8% conv. - **roota**8K/yr>1,000%2.9% conv. - **roota hair growth serum**5K/yr>1,000%4.0% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/roota-hair-growth-serum-roll-on/search-terms)

## **Top roota hair growth serum roll on 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.

0%10%$4K20%$7K30%$11K40%$14K110100 Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Roota Hair Growth Serum Roll-On Hair Revival Serum Nourishes Scalp for Thicker Healthy Hair for Men & Women 20ml/0.68 fl oz](https://m.media-amazon.com/images/I/41XGZY1K3wL.jpg)**Roota Hair Growth Serum Roll-On Hair Revival Serum Nourishes Scalp for Thicker Healthy Hair for Men & Women 20ml/0.68 fl oz**Aacnre**$32.49**3.0★6 rev](https://www.amazon.com/dp/B0GCKFCNVX) [2![Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (2)](https://m.media-amazon.com/images/I/41SXj8ATYzL.jpg)**Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (2)**Minnah**$31.82**4.0★11 rev](https://www.amazon.com/dp/B0GLYW2MDQ) [3![Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (1)](https://m.media-amazon.com/images/I/41bstKLcTGL.jpg)**Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (1)**Minnah**$21.13**4.0★11 rev](https://www.amazon.com/dp/B0GVQQCVK6) [4![Roota Hair Growth Serum Roll OnNourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair2-pack](https://m.media-amazon.com/images/I/41nU9LBWp9L.jpg)**Roota Hair Growth Serum Roll OnNourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair2-pack**Dream Hero**$21.69**3.9★2 rev](https://www.amazon.com/dp/B0GXYW55PF) [5![Hair Growth Serum Roll-On Reduces Hair Shedding & Strengthens Roots Helps Support Thicker Fuller Hair 3% Rosemary 2% Ginger 1.5% Pea Extract 0.85 Fl Oz (Pack of 2)](https://m.media-amazon.com/images/I/413pFZNIbeL.jpg)**Hair Growth Serum Roll-On Reduces Hair Shedding & Strengthens Roots Helps Support Thicker Fuller Hair 3% Rosemary 2% Ginger 1.5% Pea Extract 0.85 Fl Oz (Pack of 2)**FLECKDR**$15.96**4.8★27 rev](https://www.amazon.com/dp/B0GJRPY5S9)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Roota Hair Growth Serum Roll On Nourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair](https://m.media-amazon.com/images/I/511Ut2hlU9L.jpg)**Roota Hair Growth Serum Roll On Nourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair**Roota Hair Oil**$17.34**5 rev2mo ago](https://www.amazon.com/dp/B0H1KXL681) [![Roota Advanced Hair Growth Roll-On Serum | Saw Palmetto Rosemary & Pea Extract | Supports Fuller Healthier Hair | Clean Non-Greasy Formula for Men & Women | 20ml Pack(1PC)](https://m.media-amazon.com/images/I/41QOGwlrpxL.jpg)**Roota Advanced Hair Growth Roll-On Serum | Saw Palmetto Rosemary & Pea Extract | Supports Fuller Healthier Hair | Clean Non-Greasy Formula for Men & Women | 20ml Pack(1PC)**CollaBond Virexa**$20.84**1 rev2mo ago](https://www.amazon.com/dp/B0H1HLS3VD) [![Roota Hair Growth Serum Roll OnNourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair2-pack](https://m.media-amazon.com/images/I/41nU9LBWp9L.jpg)**Roota Hair Growth Serum Roll OnNourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair2-pack**Dream Hero**$21.69**2 rev2mo ago](https://www.amazon.com/dp/B0GXYW55PF) [![Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (1)](https://m.media-amazon.com/images/I/41bstKLcTGL.jpg)**Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (1)**Minnah**$21.13**11 rev3mo ago](https://www.amazon.com/dp/B0GVQQCVK6) [![Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (2)](https://m.media-amazon.com/images/I/41SXj8ATYzL.jpg)**Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (2)**Minnah**$31.82**11 rev5mo ago](https://www.amazon.com/dp/B0GLYW2MDQ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Roota Hair Growth Serum Roll On Nourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair](https://m.media-amazon.com/images/I/511Ut2hlU9L.jpg)**Roota Hair Growth Serum Roll On Nourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair**Roota Hair Oil**$17.34**2.4★**▲ 19%**](https://www.amazon.com/dp/B0H1KXL681) [![Roota Hair Growth Serum Roll OnNourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair2-pack](https://m.media-amazon.com/images/I/41nU9LBWp9L.jpg)**Roota Hair Growth Serum Roll OnNourishes Scalp for Thicker Hair Revival Serum for Thicker Healthy Hair2-pack**Dream Hero**$21.69**3.9★**▲ 18%**](https://www.amazon.com/dp/B0GXYW55PF) [![Roota Advanced Hair Growth Roll-On Serum | Saw Palmetto Rosemary & Pea Extract | Supports Fuller Healthier Hair | Clean Non-Greasy Formula for Men & Women | 20ml Pack(1PC)](https://m.media-amazon.com/images/I/41QOGwlrpxL.jpg)**Roota Advanced Hair Growth Roll-On Serum | Saw Palmetto Rosemary & Pea Extract | Supports Fuller Healthier Hair | Clean Non-Greasy Formula for Men & Women | 20ml Pack(1PC)**CollaBond Virexa**$20.84**5.0★**▲ 18%**](https://www.amazon.com/dp/B0H1HLS3VD) [![Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (1)](https://m.media-amazon.com/images/I/41bstKLcTGL.jpg)**Roota Hair Growth Serum Roll-On Roota Hair Growth Roller Hair Revival Serum for Thicker Healthy Hair (1)**Minnah**$21.13**4.0★**▲ 18%**](https://www.amazon.com/dp/B0GVQQCVK6) [![Hair Growth Serum Roll-On Reduces Hair Shedding & Strengthens Roots Helps Support Thicker Fuller Hair 3% Rosemary 2% Ginger 1.5% Pea Extract 0.85 Fl Oz (Pack of 2)](https://m.media-amazon.com/images/I/413pFZNIbeL.jpg)**Hair Growth Serum Roll-On Reduces Hair Shedding & Strengthens Roots Helps Support Thicker Fuller Hair 3% Rosemary 2% Ginger 1.5% Pea Extract 0.85 Fl Oz (Pack of 2)**FLECKDR**$15.96**4.8★**▲ 17%**](https://www.amazon.com/dp/B0GJRPY5S9)

**~~View all trending →~~**

## **What buyers say about roota hair growth serum roll on**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Hair Growth**17%

*“It stimulates our hair growth a lot”*

**Ease Of Application**15%

*“The applicator is practical”*

**Smell**13%

*“smells great”*

**Quality-Overall**11%

*“Great product for anyone wanting to support healthier”*

**Absorbency**6%

*“It absorbs nicely”*

**Ease Of Use**5%

*“Easy to Use”*

**Soft Feel**4%

*“this one is very gentle”*

**Allergies**3%

*“It causes no visible irritation or discomfort whatsoever”*

**Oily/Greasy**3%

*“The formula is lightweight and absorbs quickly, leaving no greasy feeling”*

**Suitability Straight Hair**3%

*“It applies directly to the scalp without making a mess, and the formula feels lightweight and absorbs quickly”*

### **What buyers complain about **

**Hair Related**14%

*“after using this for a month, my scalp continually got tiny, hard bumps”*

**Oily/Greasy**13%

*“it makes my hair very greasy”*

**Dispensing Mechanism**11%

*“1st roller tube would not dispense product”*

**Smell**11%

*“Does not smell very good”*

**Ease Of Application**11%

*“Difficult application roller”*

**Suitability Curly Hair**8%

*“Absolutely does not work on curly hair”*

**Ease Of Use**4%

*“Ease of use which it doesn't have”*

**Add-Ons/Attachments**4%

*“It arrived 2 days one was broke, the white part with the roller, wasnt attached”*

**Comfort-Overall**4%

*“then it's very uncomfortable”*

**Color**4%

*“they are grey I guess Im just aging”*

### **Top return reasons **

**Functionality-Overall**27%

**Dispensing Mechanism**11%

**Leak-Proof**9%

**Advertised Vs Actual Product**9%

**Defective Material/Parts**9%

**Value For Money**5%

**Oily/Greasy**4%

**Suitability Short Hair**4%

**Damage/Burn Hair**4%

**Size-Overall**3%

## **Common questions**

<dl>

<dt>**Is roota hair growth serum roll on profitable to sell on Amazon United States?**</dt><dd>The niche generates $35K/yr across 9 tracked products. 3 of 9 products launched in the last 360 days are still selling. 90-day search growth is +646.9%. Flapen's verdict: Worth a look (58/100).</dd>

<dt>**How competitive is the roota hair growth serum roll on niche?**</dt><dd>8 brands and 12 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in roota hair growth serum roll on?**</dt><dd>Top complaints mined from reviews: Hair Related, Oily/Greasy, Dispensing Mechanism. The return rate is 0.2%.</dd>

<dt>**What does it cost to enter the roota hair growth serum roll on niche?**</dt><dd>Listings span $9.49–$32.49; the average listing price is $20.66 (sweet spot $15–$100). The average incumbent carries 21 reviews — the moat a new listing must climb.</dd>

</dl>

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