rosemary and castor oil for hair growth
Skip itSoft demand (-26.3% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Good$14.78avg listing price — sweet spot $15–$100
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Price range
Good$8.69–$25.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$189K$189K/yr · 208K searches
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Competition
Bad78%top-5 click share — a locked-up shelf
Review moat
Bad21,544.57avg 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
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.No pronounced peak months · busiest ÷ quietest = 1.5×
Top rosemary and castor oil for hair growth search terms
- artnaturals23K/yr
- rosemary and castor oil for hair growth31K/yr
- rosemary castor oil for hair growth23K/yr
- art naturals20K/yr
- rosemary castor oil15K/yr
- rosemary castor oil for womens hair growth8K/yr
- artnaturals rosemary castor hair oil16K/yr
- castor oil with rosemary10K/yr
- castor oil and rosemary oil for hair8K/yr
- rosemary and castor oil9K/yr
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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$13.894.4★4,946 rev
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$9.784.6★57,050 rev
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$18.284.7★3,969 rev
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$13.144.8★259 rev
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$16.824.4★19,924 rev
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$14.8257,050 rev
Bofuoos Rosemary & Castor Hair Growth Oil + Scalp Massager Set
Bofuoos$10.8886 rev
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$13.14259 rev
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$14.81246 rev
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$18.283,969 rev
Trending
90-day click momentumHERITAGE 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$13.144.8★
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$16.824.4★
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$18.334.5★
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$17.634.5★
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$14.824.6★
What buyers say about rosemary and castor oil for hair growth
What buyers praise and complain about, mined from review topics.What buyers love
“it smells heavenly”
“Help grow hair”
“it was high mid quality”
“Hair so soft”
“Very moisturizing”
“Good Value for Money”
“absorbs well without feeling too greasy”
“It does its job”
“My curls are more manageable”
“Perfect for daily use”
What buyers complain about
“Made my hair greasy”
“Strong smell”
“Hair fall out”
“Irritated my face”
“Leaking”
“Made my hair fall out”
“Not greatly effective”
“Inaccurate description”
“Just opened and the bottle is stick”
“It is so thick like wax”
Top return reasons
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.