---
title: "Rosemary and Castor Oil for Hair Growth — $189K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/rosemary-and-castor-oil-for-hair-growth"
last_updated: "2026-08-11T09:57:57.660Z"
locale: en
meta:
description: "Niche score 41/100 · $189K/yr market · 208K searches/yr · $14.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $189K/yr market · 208K searches/yr · $14.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rosemary and Castor Oil for Hair Growth — $189K/yr Amazon US Niche (2026) - Flapen"
---
# **rosemary and castor oil for hair growth**
**Skip it**
Soft demand (-26.3% this quarter) — this niche doesn't clear our bar today.
Market size 38Growth 12Conversion 68Competition 18Returns 96Price range 62Avg price 73Brand share 30Review moat 15Quality gap 45
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****$14.78**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$8.69–$25.21**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$189K**
$189K/yr · 208K searches
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****21,544.57**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-26.3%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, rosemary and castor oil for hair growth is a $189K/yr Amazon United States market (208K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 41/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rosemary and castor oil for hair growth market data**
- **Units sold / yr**
- **15K–20K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$222K–$296K**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#100**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **79%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **134 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**30**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**9%**
- Artnaturals37% - Handcraft Blends25% - VITAL AFFAIR11% - Botanic Hearth8% - HERITAGE STORE6% - Live Fraiche4% - Open — no brand owns it (4 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -26.3% search growth over the last 90 days.
6K4KPrime Day '24Holiday '24Spike '25Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/rosemary-and-castor-oil-for-hair-growth/trend)
## **Top rosemary and castor oil for hair growth search terms**
- **artnaturals**23K/yr-6.0%1.2% conv. - **rosemary and castor oil for hair growth**31K/yr-42.3%8.7% conv. - **rosemary castor oil for hair growth**23K/yr-23.2%9.2% conv. - **art naturals**20K/yr-13.8%1.1% conv. - **rosemary castor oil**15K/yr-19.3%7.0% conv. - **rosemary castor oil for womens hair growth**8K/yr-34.6%0.0% conv. - **artnaturals rosemary castor hair oil**16K/yr-39.6%11.4% conv. - **castor oil with rosemary**10K/yr-13.8%7.2% conv. - **castor oil and rosemary oil for hair**8K/yr-14.9%8.1% conv. - **rosemary and castor oil**9K/yr-10.3%7.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/rosemary-and-castor-oil-for-hair-growth/search-terms)
## **Top rosemary and castor oil for hair growth 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%$19K20%$38K30%$57K40%$75K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ArtNaturals Organic Rosemary Castor Hair Growth Tonic Oil + Massager Hair Regrowth Set 4 oz with Coconut & Olive Oil Scalp Treatment for Dry Damaged & Split Ends**Artnaturals**$13.89**4.4★4,946 rev](https://www.amazon.com/dp/B0C8LYLYPK) [2**Handcraft Blends Castor Oil with Rosemary Oil 8 Fl Oz | 100% Pure and Natural | Premium Grade Carrier Oil | Hair Eyelashes and Eyebrows | Hair and Body**Handcraft Blends**$9.78**4.6★57,050 rev](https://www.amazon.com/dp/B0BBSDNX7W) [3**VITAL AFFAIR Organic Castor Oil With Rosemary Oil For Hair Growth - 100% Pure Rosemary Hair Oil With Pure Castor Oil Cold Pressed Unrefined Glass Bottle - Strengthening & Volumizing 8 Fl Oz**VITAL AFFAIR**$18.28**4.7★3,969 rev](https://www.amazon.com/dp/B0DHV14LQQ) [4**HERITAGE STORE Castor Oil & Rosemary Volumizing Hair Treatment for Fullness and Shine - with Organic Castor Oil Rosemary Avocado and Amla Hypoallergenic Vegan Cruelty Free 60-Day Guarantee 4oz**HERITAGE STORE**$13.14**4.8★259 rev](https://www.amazon.com/dp/B0DWM11V59) [5**Botanic Hearth Hair Oil for Hair Growth | Rosemary Oil for Hair Growth with Biotin Castor & Jojoba | Hair Relaxers & Dry Scalp Treatment | Color Safe | All Hair Types | 6.7 Fl Oz**Botanic Hearth**$16.82**4.4★19,924 rev](https://www.amazon.com/dp/B0C6XJMSGP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Handcraft Blends Rosemary Oil for Hair 8 Fl Oz | Nourishing Hair Oil | 100% Pure and Natural | Rosemary Castor Jojoba and Batana Oils & Biotin | Carrier Oil**Handcraft Blends**$14.82**57,050 rev7mo ago](https://www.amazon.com/dp/B0G2S5XYDC) [**Bofuoos Rosemary & Castor Hair Growth Oil + Scalp Massager Set**Bofuoos**$10.88**86 rev10mo ago](https://www.amazon.com/dp/B0FDG7LRDW) [**HERITAGE STORE Castor Oil & Rosemary Volumizing Hair Treatment for Fullness and Shine - with Organic Castor Oil Rosemary Avocado and Amla Hypoallergenic Vegan Cruelty Free 60-Day Guarantee 4oz**HERITAGE STORE**$13.14**259 rev1y ago](https://www.amazon.com/dp/B0DWM11V59) [**Sky Organics USDA Organic Castor Oil with Rosemary Oil Strengthening Oil Pure Potent Blend Hexane Free Invigorates Scalp Supports Stronger Fuller-Looking Hair DIY ebook included**Sky Organics**$14.81**246 rev1y ago](https://www.amazon.com/dp/B0DR9SNB5K) [**VITAL AFFAIR Organic Castor Oil With Rosemary Oil For Hair Growth - 100% Pure Rosemary Hair Oil With Pure Castor Oil Cold Pressed Unrefined Glass Bottle - Strengthening & Volumizing 8 Fl Oz**VITAL AFFAIR**$18.28**3,969 rev1y ago](https://www.amazon.com/dp/B0DHV14LQQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HERITAGE STORE Castor Oil & Rosemary Volumizing Hair Treatment for Fullness and Shine - with Organic Castor Oil Rosemary Avocado and Amla Hypoallergenic Vegan Cruelty Free 60-Day Guarantee 4oz**HERITAGE STORE**$13.14**4.8★**▲ 204%**](https://www.amazon.com/dp/B0DWM11V59) [**Botanic Hearth Hair Oil for Hair Growth | Rosemary Oil for Hair Growth with Biotin Castor & Jojoba | Hair Relaxers & Dry Scalp Treatment | Color Safe | All Hair Types | 6.7 Fl Oz**Botanic Hearth**$16.82**4.4★**▲ 67%**](https://www.amazon.com/dp/B0C6XJMSGP) [**Blend Of Pure Rosemary Oil For Hair Growth With Castor Batana Jojoba Oil-Infused With Biotin & Vitamin E-Blend of Effective Hair Oils for Hair Growth-Strengthening Treatment-By Vital Affair-6 Fl Oz**VITAL AFFAIR**$18.33**4.5★**▲ 49%**](https://www.amazon.com/dp/B0DJS3X3C4) [**Live Fraiche Rosemary Castor Oil for Hair Growth 16oz - Rosemary Oil for Hair Growth and Thickening Pure Blend to Reduce Loss and Promote a Healthy Scalp**Live Fraiche**$17.63**4.5★**▲ 49%**](https://www.amazon.com/dp/B0CSF146PX) [**Handcraft Blends Rosemary Oil for Hair 8 Fl Oz | Nourishing Hair Oil | 100% Pure and Natural | Rosemary Castor Jojoba and Batana Oils & Biotin | Carrier Oil**Handcraft Blends**$14.82**4.6★**▲ 44%**](https://www.amazon.com/dp/B0G2S5XYDC)
**~~View all trending →~~**
## **What buyers say about rosemary and castor oil for hair growth**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**19%
*“it smells heavenly”*
**Hair Growth**14%
*“Help grow hair”*
**Quality-Overall**14%
*“it was high mid quality”*
**Soft Feel**7%
*“Hair so soft”*
**Moist/Dry**7%
*“Very moisturizing”*
**Value For Money**4%
*“Good Value for Money”*
**Oily/Greasy**4%
*“absorbs well without feeling too greasy”*
**Efficiency**2%
*“It does its job”*
**Hair Styling**2%
*“My curls are more manageable”*
**Ease Of Use**2%
*“Perfect for daily use”*
### **What buyers complain about **
**Oily/Greasy**13%
*“Made my hair greasy”*
**Smell**9%
*“Strong smell”*
**Hair Related**6%
*“Hair fall out”*
**Allergies**6%
*“Irritated my face”*
**Leak-Proof**5%
*“Leaking”*
**Damage/Burn Hair**4%
*“Made my hair fall out”*
**Functionality-Overall**4%
*“Not greatly effective”*
**Advertised Vs Actual Product**4%
*“Inaccurate description”*
**Adhesion/Stickiness**3%
*“Just opened and the bottle is stick”*
**Thickness**3%
*“It is so thick like wax”*
### **Top return reasons **
**Oily/Greasy**18%
**Smell**18%
**Leak-Proof**11%
**Advertised Vs Actual Product**8%
**Damage/Burn Hair**6%
**Functionality-Overall**5%
**Value For Money**4%
**Hair Related**3%
**Defective Material/Parts**3%
**Suitability Short Hair**3%
## **Common questions**
- **Is rosemary and castor oil for hair growth profitable to sell on Amazon United States?**
- The niche generates $189K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -26.3%. Flapen's verdict: Skip it (41/100).
- **How competitive is the rosemary and castor oil for hair growth niche?**
- 10 brands and 30 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in rosemary and castor oil for hair growth?**
- Top complaints mined from reviews: Oily/Greasy, Smell, Hair Related. The return rate is 0.9%.
- **When does demand for rosemary and castor oil for hair growth peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the rosemary and castor oil for hair growth niche?**
- Listings span $8.69–$25.21; the average listing price is $14.78 (sweet spot $15–$100). The average incumbent carries 21,545 reviews — the moat a new listing must climb.
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