---
title: "Protein Hair Treatment — $1.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/protein-hair-treatment"
last_updated: "2026-08-11T00:23:34.407Z"
locale: en
meta:
  description: "Niche score 53/100 · $1.5M/yr market · 1.7M searches/yr · $14.10 avg price. Soft demand (-13.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · $1.5M/yr market · 1.7M searches/yr · $14.10 avg price. Soft demand (-13.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Protein Hair Treatment — $1.5M/yr Amazon US Niche (2026) - Flapen"
---

# **protein hair treatment**

**Worth a look**

Shows low returns (0.9%), but soft demand (-13.2% this quarter) keeps it on the watch list.

Market size 86Growth 18Conversion 67Competition 46Returns 96Price range 68Avg price 68Brand share 28Review moat 24Quality gap 33

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Market size**

**Great****$1.5M**

$1.5M/yr · 1.7M searches

**Avg price**

**Good****$14.10**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$1.97–$42.40**

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

**Conversion**

**Good****6.0%**

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

**Competition**

**Okay****57%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****88%**

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

**Review moat**

**Bad****6,103.22**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-13.2%**

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

According to Flapen's Amazon United States niche tracking, protein hair treatment is a $1.5M/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Feb–Mar. Verdict: Worth a look — 53/100.

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

## **protein hair treatment market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**100K–125K**</dd><dd>avg 6,000–8,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.4M–$1.8M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#110**</dd>

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

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**83%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**66 months**</dd>

<dt>**Avg seller age**</dt><dd>**127 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**13 **▲rising

**Sellers**

**138**

**Top-5 brand share**

**88%**

Top 20: 100%

**Top-5 click share**

**57%**

Top 20: 96%

**Open market**

**10%**

- Elizavecca73% - Aphogee7% - K184% - SOFIA BY ODE3% - 100%2% - ORS HAIRestore2% - Open — no brand owns it (7 brands, 10%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -13.2% search growth over the last 90 days.

45K35KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Feb, Mar · busiest ÷ quietest = 2.7×

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/protein-hair-treatment/trend)

## **Top protein hair treatment search terms**

- **elizavecca**238K/yr-4.5%5.0% conv. - **cer 100**241K/yr-18.1%7.2% conv. - **protein hair treatment**153K/yr-9.2%2.2% conv. - **ampollas para el cabello maltratado y seco**138K/yr-17.8%0.4% conv. - **korean hair mask**87K/yr+3.0%2.0% conv. - **split ends hair treatment**110K/yr-35.6%1.7% conv. - **hair protein treatment**88K/yr-12.8%2.4% conv. - **protein treatment for hair**78K/yr-12.7%2.8% conv. - **cer-100**76K/yr-11.8%6.1% conv. - **cer**60K/yr+1.3%0.3% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/protein-hair-treatment/search-terms)

## **Top protein hair treatment 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%$148K20%$296K30%$444K40%$592K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 23 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Elizavecca CER-100 Collagen Coating Protein Ion Injection Hair Essence Cream 50ml/1.69 fl.oz.](https://m.media-amazon.com/images/I/41lo7TohVjL.jpg)**Elizavecca CER-100 Collagen Coating Protein Ion Injection Hair Essence Cream 50ml/1.69 fl.oz.**Elizavecca**$8.73**4.6★1,145 rev](https://www.amazon.com/dp/B0171KWVJO) [2![Elizavecca CER-100 Hair Essence Oil - Leave-In Treatment for Dry Hair Growth - 100ml K-Beauty](https://m.media-amazon.com/images/I/41VkjdVbKpL.jpg)**Elizavecca CER-100 Hair Essence Oil - Leave-In Treatment for Dry Hair Growth - 100ml K-Beauty**Elizavecca**$9.07**4.6★5,326 rev](https://www.amazon.com/dp/B09QKR5RPT) [3![Elizavecca Cer-100 Collagen Ceramide Coating Protein Treatment 3.38 fl oz (100 ml)](https://m.media-amazon.com/images/I/31sz-hdrXlL.jpg)**Elizavecca Cer-100 Collagen Ceramide Coating Protein Treatment 3.38 fl oz (100 ml)**Elizavecca**$9.66**4.6★178 rev](https://www.amazon.com/dp/B0DG8Z2DF2) [4![Elizavecca cer-100 collagen coating hair protein treatment 100ml](https://m.media-amazon.com/images/I/41ctrFUeQAL.jpg)**Elizavecca cer-100 collagen coating hair protein treatment 100ml**Elizavecca**$7.52**4.5★63,954 rev](https://www.amazon.com/dp/B01I2ZQJSG) [5![Elizavecca CER-100 Collagen Coating Hair A+ Muscle Spray 250ml](https://m.media-amazon.com/images/I/313LXnVgFAL.jpg)**Elizavecca CER-100 Collagen Coating Hair A+ Muscle Spray 250ml**Elizavecca**$9.36**4.6★792 rev](https://www.amazon.com/dp/B0DFG5N88V)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Cer-100 Collagen Coating Hair Protein Treatment 100Ml Unscented Ceramide Straightener & Treatment For Damaged Keratin Hair Care 1 Count](https://m.media-amazon.com/images/I/31SDY2DjY-L.jpg)**Cer-100 Collagen Coating Hair Protein Treatment 100Ml Unscented Ceramide Straightener & Treatment For Damaged Keratin Hair Care 1 Count**Generic**$42.40**0 rev11mo ago](https://www.amazon.com/dp/B0FTVQP66H) [![Dove Hair Intensive Repair 10in1 Serum Mask for Damaged Hair with Bio-Protein Care Technology and Amino Serum 9.2 fl oz](https://m.media-amazon.com/images/I/61C0PtbWPIL.jpg)**Dove Hair Intensive Repair 10in1 Serum Mask for Damaged Hair with Bio-Protein Care Technology and Amino Serum 9.2 fl oz**Dove**$8.93**3,932 rev1y ago](https://www.amazon.com/dp/B0DB6CDLSM) [![Elizavecca CER-100 Collagen Coating Hair A+ Muscle Shampoo 16.9 fl oz](https://m.media-amazon.com/images/I/31KAtcckAKL.jpg)**Elizavecca CER-100 Collagen Coating Hair A+ Muscle Shampoo 16.9 fl oz**Elizavecca**$15.35**508 rev1y ago](https://www.amazon.com/dp/B0D9MQZZ37) [![Elizavecca Cer-100 Collagen Ceramide Coating Protein Treatment 3.38 fl oz (100 ml)](https://m.media-amazon.com/images/I/31sz-hdrXlL.jpg)**Elizavecca Cer-100 Collagen Ceramide Coating Protein Treatment 3.38 fl oz (100 ml)**Elizavecca**$9.66**178 rev1y ago](https://www.amazon.com/dp/B0DG8Z2DF2) [![Elizavecca CER-100 Collagen Coating Hair A+ Muscle Spray 250ml](https://m.media-amazon.com/images/I/313LXnVgFAL.jpg)**Elizavecca CER-100 Collagen Coating Hair A+ Muscle Spray 250ml**Elizavecca**$9.36**792 rev1y ago](https://www.amazon.com/dp/B0DFG5N88V)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![100% Racecraft/Accuri/Strata Standard Tear-Offs (50 Pack) (Clear)](https://m.media-amazon.com/images/I/31FTc+sLGgL.jpg)**100% Racecraft/Accuri/Strata Standard Tear-Offs (50 Pack) (Clear)**100%**$26.78**4.7★**▲ 343%**](https://www.amazon.com/dp/B0BL3TN13V) [![Cer-100 Collagen Coating Hair Protein Treatment 100Ml Unscented Ceramide Straightener & Treatment For Damaged Keratin Hair Care 1 Count](https://m.media-amazon.com/images/I/31SDY2DjY-L.jpg)**Cer-100 Collagen Coating Hair Protein Treatment 100Ml Unscented Ceramide Straightener & Treatment For Damaged Keratin Hair Care 1 Count**Generic**$42.40**0.0★**▲ 204%**](https://www.amazon.com/dp/B0FTVQP66H) [![Elizavecca CER-100 Collagen Coating Protein Ion Injection Hair Essence Cream 50ml/1.69 fl.oz.](https://m.media-amazon.com/images/I/41lo7TohVjL.jpg)**Elizavecca CER-100 Collagen Coating Protein Ion Injection Hair Essence Cream 50ml/1.69 fl.oz.**Elizavecca**$8.73**4.6★**▲ 180%**](https://www.amazon.com/dp/B0171KWVJO) [![Fino Premium Touch Hair Mask 180g / 8.11 Ounce by ode](https://m.media-amazon.com/images/I/41Cg2H-fyrL.jpg)**Fino Premium Touch Hair Mask 180g / 8.11 Ounce by ode**SOFIA BY ODE**$13.98**4.7★**▲ 140%**](https://www.amazon.com/dp/B0CQDWM26G) [![Elizavecca Cer-100 Collagen Ceramide Coating Protein Treatment 3.38 fl oz (100 ml)](https://m.media-amazon.com/images/I/31sz-hdrXlL.jpg)**Elizavecca Cer-100 Collagen Ceramide Coating Protein Treatment 3.38 fl oz (100 ml)**Elizavecca**$9.66**4.6★**▲ 133%**](https://www.amazon.com/dp/B0DG8Z2DF2)

**~~View all trending →~~**

## **What buyers say about protein hair treatment**

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

### **What buyers love **

**Soft Feel**18%

*“So soft”*

**Smell**12%

*“soft fragrance”*

**Quality-Overall**12%

*“Excellent product”*

**Value For Money**9%

*“Worth It”*

**Hair Growth**7%

*“Made my hair feel soft & manageable again”*

**Moist/Dry**6%

*“super hydrating”*

**Hair Styling**5%

*“helping to style”*

**Suitability Straight Hair**4%

*“My hair is fine and straight”*

**Suitability Curly Hair**3%

*“Great for curly hair”*

**Brightness/Shine/Glow**2%

*“adds shine”*

### **What buyers complain about **

**Value For Money**16%

*“It is expensive”*

**Size-Overall**11%

*“received a much bigger size”*

**Hair Related**8%

*“fried hair no where”*

**Moist/Dry**7%

*“Not moisturizing”*

**Smell**6%

*“Smells weird”*

**Functionality-Overall**4%

*“Did Not Deliver Results”*

**Damage/Burn Hair**3%

*“Made my hair worse”*

**Suitability Short Hair**2%

*“Did not like it on my hair”*

**Oily/Greasy**2%

*“Leaves hair greasy”*

**Quality-Overall**2%

*“it certainly is not worth buying anymore with the significant decline in quality”*

### **Top return reasons **

**Size-Overall**17%

**Functionality-Overall**12%

**Leak-Proof**11%

**Advertised Vs Actual Product**8%

**Value For Money**7%

**Smell**6%

**Suitability Short Hair**6%

**Product Condition**5%

**Moist/Dry**4%

**Damage/Burn Hair**4%

## **Common questions**

<dl>

<dt>**Is protein hair treatment profitable to sell on Amazon United States?**</dt><dd>The niche generates $1.5M/yr across 23 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.2%. Flapen's verdict: Worth a look (53/100).</dd>

<dt>**How competitive is the protein hair treatment niche?**</dt><dd>13 brands and 138 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 88% of demand.</dd>

<dt>**What do buyers complain about in protein hair treatment?**</dt><dd>Top complaints mined from reviews: Value For Money, Size-Overall, Hair Related. The return rate is 0.9%.</dd>

<dt>**When does demand for protein hair treatment peak?**</dt><dd>Demand peaks in Feb–Mar; the busiest month runs 2.7× the quietest.</dd>

<dt>**What does it cost to enter the protein hair treatment niche?**</dt><dd>Listings span $1.97–$42.40; the average listing price is $14.10 (sweet spot $15–$100). The average incumbent carries 6,103 reviews — the moat a new listing must climb.</dd>

</dl>

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