---
title: "Castor Oil Shampoo and Conditioner — $75K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/castor-oil-shampoo-and-conditioner"
last_updated: "2026-08-10T16:54:03.735Z"
locale: en
meta:
  description: "Niche score 49/100 · $75K/yr market · 50K searches/yr · $21.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $75K/yr market · 50K searches/yr · $21.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Castor Oil Shampoo and Conditioner — $75K/yr Amazon US Niche (2026) - Flapen"
---

# **castor oil shampoo and conditioner**

**Skip it**

A small market ($75K/yr) — this niche doesn't clear our bar today.

Market size 19Growth 21Conversion 75Competition 34Returns 96Price range 82Avg price 92Brand share 52Review moat 23Quality gap 62

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$21.62**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$12.33–$28.93**

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

**Conversion**

**Good****7.0%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****74%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****65%**

top-5 click share — leaders hold, buyers still browse

**Review moat**

**Bad****8,366.68**

avg 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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

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 ~~](https://flapen.com/research/methodology)

## **castor oil shampoo and conditioner market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$65K–$86K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**7.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#439**</dd>

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

<dt>**Prime**</dt><dd>**95%**</dd>

<dt>**Sponsored**</dt><dd>**84%**</dd>

<dt>**Out of stock**</dt><dd>**6.1%**</dd>

<dt>**Avg brand age**</dt><dd>**49 months**</dd>

<dt>**Avg seller age**</dt><dd>**146 days**</dd>

</dl>

## **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.

2K1KPrime Day '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/castor-oil-shampoo-and-conditioner/trend)

## **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.

0%5%$4K10%$7K15%$11K20%$15K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 19 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![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](https://m.media-amazon.com/images/I/51f+4Hyb5NL.jpg)**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**$23.90**4.3★46,563 rev](https://www.amazon.com/dp/B0DVQHBBBK) [2![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](https://m.media-amazon.com/images/I/51S5VAf0DBL.jpg)**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**$28.93**4.5★1,089 rev](https://www.amazon.com/dp/B0CMFWC2MB) [3![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](https://m.media-amazon.com/images/I/51EuflgrAKL.jpg)**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**$23.06**4.4★3,020 rev](https://www.amazon.com/dp/B0CNYTMB46) [4![Hair Chemist Superior Growth Jamaican Black Castor Shampoo 33.8oz & Conditioner 33.8oz - 2-PC Shampoo & Conditioner for Hair Growth](https://m.media-amazon.com/images/I/51osovK9d3L.jpg)**Hair Chemist Superior Growth Jamaican Black Castor Shampoo 33.8oz & Conditioner 33.8oz - 2-PC Shampoo & Conditioner for Hair Growth**Hair Chemist**$28.37**4.5★292 rev](https://www.amazon.com/dp/B0BXFWLT82) [5![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](https://m.media-amazon.com/images/I/31rxSbhcn9L.jpg)**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**$13.54**4.5★2,434 rev](https://www.amazon.com/dp/B09BGH8C13)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/51ivc+wgKpL.jpg)**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**$24.06**1,927 rev8mo ago](https://www.amazon.com/dp/B0FQ8693P1) [![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](https://m.media-amazon.com/images/I/41TYKrUhehL.jpg)**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**$12.33**141 rev9mo ago](https://www.amazon.com/dp/B0FWG6VN87) [![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](https://m.media-amazon.com/images/I/41e6iUnlibL.jpg)**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**$12.55**1,955 rev9mo ago](https://www.amazon.com/dp/B0FWFDQ3HD) [![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)](https://m.media-amazon.com/images/I/510U0eunxlL.jpg)**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**$23.73**26,692 rev9mo ago](https://www.amazon.com/dp/B0FSSYKDX3) [![Renpure Castor Oil & Moringa Shampoo & Conditioner Set 24 Fl Oz 2 Pack](https://m.media-amazon.com/images/I/41dipnivEKL.jpg)**Renpure Castor Oil & Moringa Shampoo & Conditioner Set 24 Fl Oz 2 Pack**RENPURE**$17.74**363 rev1y ago](https://www.amazon.com/dp/B0F2JJZPN5)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/41e6iUnlibL.jpg)**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**$12.55**4.4★**▲ 258%**](https://www.amazon.com/dp/B0FWFDQ3HD) [![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)](https://m.media-amazon.com/images/I/510U0eunxlL.jpg)**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**$23.73**4.5★**▲ 196%**](https://www.amazon.com/dp/B0FSSYKDX3) [![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](https://m.media-amazon.com/images/I/41TYKrUhehL.jpg)**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**$12.33**4.4★**▲ 142%**](https://www.amazon.com/dp/B0FWG6VN87) [![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](https://m.media-amazon.com/images/I/41Jdc-cG18L.jpg)**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**$15.50**4.2★**▲ 138%**](https://www.amazon.com/dp/B0DQ8BMLS2) [![Hair Chemist Superior Growth Jamaican Black Castor Shampoo 33.8oz & Conditioner 33.8oz - 2-PC Shampoo & Conditioner for Hair Growth](https://m.media-amazon.com/images/I/51osovK9d3L.jpg)**Hair Chemist Superior Growth Jamaican Black Castor Shampoo 33.8oz & Conditioner 33.8oz - 2-PC Shampoo & Conditioner for Hair Growth**Hair Chemist**$28.37**4.5★**▲ 86%**](https://www.amazon.com/dp/B0BXFWLT82)

**~~View all trending →~~**

## **What buyers say about castor oil shampoo and conditioner**

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

### **What buyers love **

**Smell**19%

*“Like the smell”*

**Quality-Overall**12%

*“has a consistent quality every time I use it”*

**Soft Feel**12%

*“Leaves hair soft”*

**Hair Growth**9%

*“Works well for hair loss when combined with daily scalp massage”*

**Moist/Dry**5%

*“Doesn't dry out your hair”*

**Cleansing**4%

*“it cleans my scalp”*

**Advertised Vs Actual Product**3%

*“does what it says it does”*

**Hair Styling**3%

*“My hair loves it”*

**Suitability Straight Hair**3%

*“It's great for all types of hair”*

**Value For Money**2%

*“worth the money”*

### **What buyers complain about **

**Smell**9%

*“Smells horrible”*

**Hair Related**8%

*“My hair started coming out”*

**Moist/Dry**7%

*“Dry”*

**Ease Of Use**5%

*“Bottle hard to open”*

**Leak-Proof**4%

*“One of the bottles leaked”*

**Thickness**4%

*“The first one I bought was so thick”*

**Oily/Greasy**4%

*“Leaves Hair Oily”*

**Allergies**3%

*“So bad gave me an allergic reaction to my scalp never using it again”*

**Size-Overall**3%

*“Does come in smaller bottles rather then whats advertised”*

**Durability**2%

*“breaks into small pieces”*

### **Top return reasons **

**Smell**14%

**Leak-Proof**11%

**Advertised Vs Actual Product**9%

**Suitability Short Hair**8%

**Oily/Greasy**7%

**Moist/Dry**6%

**Damage/Burn Hair**5%

**Functionality-Overall**4%

**Ingredients-Overall**4%

**Motor Power**4%

## **Common questions**

<dl>

<dt>**Is castor oil shampoo and conditioner profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the castor oil shampoo and conditioner niche?**</dt><dd>13 brands and 616 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 74% of demand.</dd>

<dt>**What do buyers complain about in castor oil shampoo and conditioner?**</dt><dd>Top complaints mined from reviews: Smell, Hair Related, Moist/Dry. The return rate is 0.8%.</dd>

<dt>**When does demand for castor oil shampoo and conditioner peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.3× the quietest.</dd>

<dt>**What does it cost to enter the castor oil shampoo and conditioner niche?**</dt><dd>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.</dd>

</dl>

## **Related niches in Beauty & Personal Care**

- 75 [**bio oil lotion**](https://flapen.com/research/us/beauty-personal-care/bio-oil-lotion)$654K/yr+95.9%**Worth a look**- 75 [**glossier futuredew serum**](https://flapen.com/research/us/beauty-personal-care/glossier-futuredew-serum)$344K/yr+383.6%**Worth a look**- 75 [**press on toenails**](https://flapen.com/research/us/beauty-personal-care/press-on-toenails)$2.4M/yr+79.4%**Launch it**- 75 [**skulta deep peptide eye mask**](https://flapen.com/research/us/beauty-personal-care/skulta-deep-peptide-eye-mask)$58K/yr>1,000%**Worth a look**- 75 [**mineral sunscreen spray**](https://flapen.com/research/us/beauty-personal-care/mineral-sunscreen-spray)$3.8M/yr+183.8%**Launch it**- 76 [**collagen oil**](https://flapen.com/research/us/beauty-personal-care/collagen-oil)$344K/yr+116.2%**Worth a look**[**All Beauty & Personal Care niches **](https://flapen.com/research/us/beauty-personal-care)