castor oil shampoo and conditioner
Skip itA small market ($75K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Great$21.62avg listing price — sweet spot $15–$100
Price range
Great$12.33–$28.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good7.0%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good74%top-5 brand share — brands hold most of the demand
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Review moat
Bad8,366.68avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.4%90-day search growth — must beat 0% to launch
Market size
Bad$75K$75K/yr · 50K searches
According to Flapen's Amazon United States niche tracking, castor oil shampoo and conditioner is a $75K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 74% of demand. Verdict: Skip it — 49/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
castor oil shampoo and conditioner market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $65K–$86K
- units × avg price
- Conversion rate
- 7.0%
- Avg BSR
- #439
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 84%
- Out of stock
- 6.1%
- Avg brand age
- 49 months
- Avg seller age
- 146 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
616
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
21%
- INFINA ESSENTIALS19%
- First Botany19%
- BELLISSO17%
- Hair Chemist10%
- GIOVANNI9%
- Essentially KateS5%
Demand & seasonality
Weekly Amazon search volume, last 98 weeks — -8.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top castor oil shampoo and conditioner 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Castor Oil Shampoo and Conditioner Set - Thickening Products for Thinning Hair Women and Men - Sulfate Free Formula - Hydrating Volumizing and Moisturizing for Dry Hair - Volume Boosting Color Safe
BELLISSO$23.904.3★46,563 rev
Castor Oil Shampoo and Conditioner Set for Hair Growth with Rosemary & Peppermint Oil - Cleanse Hair Strengthen & Shine with Castor Shampoo and Conditioner - Anti-Hair Loss for Men & Women - 16 fl oz
INFINA ESSENTIALS$28.934.5★1,089 rev
Castor Oil Shampoo and Conditioner - An Anti Hair Loss Set Thickening formula For Hair Regrowth Anti Thinning Sulfate Free For Men & Women Anti Dandruff Treatment - 16 oz
First Botany$23.064.4★3,020 rev
Hair Chemist Superior Growth Jamaican Black Castor Shampoo 33.8oz & Conditioner 33.8oz - 2-PC Shampoo & Conditioner for Hair Growth
Hair Chemist$28.374.5★292 rev
GIOVANNI Smoothing Castor Oil Shampoo - All Hair Types Moisturize Hair & Scalp Hydrate & Tame Frizz Jojoba Argan Oil Coconut Oil Shea Butter Keratin - 13.5 oz
GIOVANNI$13.544.5★2,434 rev
Newest
by launch date
INFINA ESSENTIALS Castor Oil Shampoo and Conditioner Set | 16 fl oz Each | with Batana Oil | Strengthening Thickening & Hydrating Formula | Supports Hair Growth & Fuller Healthier Hair
INFINA ESSENTIALS$24.061,927 rev
Kitsch Smoothing Castor Oil Liquid Conditioner for Women and Men Nourishing Hair Conditioner for Dry Damaged & Frizzy Hair Clean Color-Safe Hair Care Bio-Based Formula Made in USA 12.3 oz
Kitsch$12.33141 rev
Kitsch Smoothing Castor Oil Liquid Shampoo Nourishing Hair Shampoo for Women & Men Smooths Dry Damaged & Frizzy Hair Clean Bio-Based Color-Safe Hair Care Made in USA 12.3 oz
Kitsch$12.551,955 rev
Castor Oil Shampoo and Conditioner Set - Sulfate Free - Volume Thickening Products for Fine Thinning Hair - Anti Breakage and Volumizing Thick Professional Salon Formula - 16 Fl Oz (Set of 2)
PURE NATURE LUX SPA$23.7326,692 rev
Renpure Castor Oil & Moringa Shampoo & Conditioner Set 24 Fl Oz 2 Pack
RENPURE$17.74363 rev
Trending
90-day click momentumKitsch Smoothing Castor Oil Liquid Shampoo Nourishing Hair Shampoo for Women & Men Smooths Dry Damaged & Frizzy Hair Clean Bio-Based Color-Safe Hair Care Made in USA 12.3 oz
Kitsch$12.554.4★
Castor Oil Shampoo and Conditioner Set - Sulfate Free - Volume Thickening Products for Fine Thinning Hair - Anti Breakage and Volumizing Thick Professional Salon Formula - 16 Fl Oz (Set of 2)
PURE NATURE LUX SPA$23.734.5★
Kitsch Smoothing Castor Oil Liquid Conditioner for Women and Men Nourishing Hair Conditioner for Dry Damaged & Frizzy Hair Clean Color-Safe Hair Care Bio-Based Formula Made in USA 12.3 oz
Kitsch$12.334.4★
Castor Oil Shampoo - An Anti Hair Loss Shampoo Thickening formula For Hair Regrowth Anti Thinning Sulfate Free For Men & Women Anti Dandruff Treatment 16 fl oz
First Botany$15.504.2★
Hair Chemist Superior Growth Jamaican Black Castor Shampoo 33.8oz & Conditioner 33.8oz - 2-PC Shampoo & Conditioner for Hair Growth
Hair Chemist$28.374.5★
What buyers say about castor oil shampoo and conditioner
What buyers praise and complain about, mined from review topics.What buyers love
“Like the smell”
“has a consistent quality every time I use it”
“Leaves hair soft”
“Works well for hair loss when combined with daily scalp massage”
“Doesn't dry out your hair”
“it cleans my scalp”
“does what it says it does”
“My hair loves it”
“It's great for all types of hair”
“worth the money”
What buyers complain about
“Smells horrible”
“My hair started coming out”
“Dry”
“Bottle hard to open”
“One of the bottles leaked”
“The first one I bought was so thick”
“Leaves Hair Oily”
“So bad gave me an allergic reaction to my scalp never using it again”
“Does come in smaller bottles rather then whats advertised”
“breaks into small pieces”
Top return reasons
Common questions
- Is castor oil shampoo and conditioner profitable to sell on Amazon United States?
- The niche generates $75K/yr across 19 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -8.4%. Flapen's verdict: Skip it (49/100).
- How competitive is the castor oil shampoo and conditioner niche?
- 13 brands and 616 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in castor oil shampoo and conditioner?
- Top complaints mined from reviews: Smell, Hair Related, Moist/Dry. The return rate is 0.8%.
- When does demand for castor oil shampoo and conditioner peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the castor oil shampoo and conditioner niche?
- Listings span $12.33–$28.93; the average listing price is $21.62 (sweet spot $15–$100). The average incumbent carries 8,367 reviews — the moat a new listing must climb.