---
title: "Biosilk Silk Therapy — $2.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/biosilk-silk-therapy"
last_updated: "2026-08-09T21:39:32.936Z"
locale: en
meta:
description: "Niche score 49/100 · $2.5M/yr market · 1.5M searches/yr · $18.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $2.5M/yr market · 1.5M searches/yr · $18.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Biosilk Silk Therapy — $2.5M/yr Amazon US Niche (2026) - Flapen"
---
# **biosilk silk therapy**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 95Growth 22Conversion 82Competition 22Returns 96Price range 68Avg price 83Brand share 0Review moat 19Quality gap 21
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$2.5M**
$2.5M/yr · 1.5M searches
**Avg price**
**Great****$18.36**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****8.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$7.53–$30.65**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-7.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****15,229.93**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, biosilk silk therapy is a $2.5M/yr Amazon United States market (1.5M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 49/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **biosilk silk therapy market data**
- **Units sold / yr**
- **125K–150K**
- avg 8,000–10,000/product
- **Revenue / yr**
- **$2.3M–$2.8M**
- units × avg price
- **Conversion rate**
- **8.7%**
- **Avg BSR**
- **#196**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **125 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**67**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**0%**
- BioSilk83% - CHI17% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.0% search growth over the last 90 days.
45K35KPrime Day '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/biosilk-silk-therapy/trend)
## **Top biosilk silk therapy search terms**
- **biosilk silk therapy**543K/yr-5.8%10.1% conv. - **biosilk**350K/yr-1.3%7.8% conv. - **chi silk infusion**150K/yr-17.3%11.5% conv. - **bio silk**85K/yr-8.5%8.2% conv. - **biosilk silk therapy oil**34K/yr+52.0%7.7% conv. - **bio silk hair oil**61K/yr-11.1%9.9% conv. - **ion hair products**38K/yr+8.7%0.0% conv. - **biosilk hair oil**63K/yr-41.4%6.8% conv. - **chi infra silk infusion**29K/yr-10.7%12.1% conv. - **chi hair oil**30K/yr-6.5%9.7% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/biosilk-silk-therapy/search-terms)
## **Top biosilk silk therapy 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%$248K20%$495K30%$743K40%$991K1001K10K100K 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**BioSilk Silk Therapy Original Reconstructing Leave-In Hair Treatment Adds Shine Smooths & Prevents Split Ends Sulfate-Free Paraben-Free Cruelty-Free 2.26 Oz**BioSilk**$10.90**4.7★9,729 rev](https://www.amazon.com/dp/B00J4G1ZRS) [2**BioSilk Silk Therapy Original Reconstructing Leave-In Hair Treatment Adds Shine Smooths & Prevents Split Ends Sulfate-Free Paraben-Free Cruelty-Free 12 Oz**BioSilk**$24.37**4.8★25,783 rev](https://www.amazon.com/dp/B002JLUY2M) [3**BioSilk Silk Therapy Original Reconstructing Treatment For Adding Shine & Helping Prevent Split Ends Sulfate Paraben & Cruelty-Free 5.64 Oz**BioSilk**$16.76**4.7★16,474 rev](https://www.amazon.com/dp/B001797W40) [4**CHI Infra Silk Infusion Silk Reconstructing Leave-In Hair Treatment for Creating Smooth Shiny Strong Hair 2 Oz**CHI**$10.11**4.7★37,563 rev](https://www.amazon.com/dp/B0018HH444) [5**BioSilk Silk Therapy Duo Set Shampoo & Conditioner for Gentle Cleansing Moisturizing & Shiny Hair Smooth Replenished Hair Sulfate-Free Paraben-Free Cruelty-Free 12 Oz Each (Pack of 2)**BioSilk**$18.61**4.5★12,533 rev](https://www.amazon.com/dp/B004J0RHTO)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BioSilk Irresistible Collection Silk Therapy Leave-in Treatment For All Hair Types Jasmine & Honey Scent Sulfate Paraben & Cruelty-Free 2.26 Oz**BioSilk**$14.71**784 rev5y ago](https://www.amazon.com/dp/B0944X8BF4) [**BioSilk Silk Therapy with Natural Coconut Oil Leave-In Hair Treatment Cream for Frizz Control & Shine Strengthens & Smooths Dry Damaged Hair Sulfate-Free Paraben-Free Cruelty-Free 5.64 Fl Oz**BioSilk**$17.39**3,292 rev8y ago](https://www.amazon.com/dp/B077Z55D97) [**BioSilk Silk Therapy Original Reconstructing Leave-In Hair Treatment Adds Shine Smooths & Prevents Split Ends Sulfate-Free Paraben-Free Cruelty-Free 7 Oz**BioSilk**$22.49**1,253 rev8y ago](https://www.amazon.com/dp/B0744QZ8P7) [**BioSilk Silk Therapy Miracle 17 Leave-In Conditioner for Dry & Damaged Hair Reconstructs Repairs & Hydrates Adds Shine Controls Frizz & Defines Curls Sulfate- Paraben- & Cruelty-Free 5.64 Oz**BioSilk**$15.31**10,060 rev11y ago](https://www.amazon.com/dp/B00KWT8JZC) [**BioSilk Hydrating Therapy Pure Moisture Leave-In Hair Spray for Frizz Control & Hydration Adds Shine Replenishes Hair Moisture Sulfate-Free Paraben-Free Cruelty-Free 7 Oz**BioSilk**$7.53**6,935 rev12y ago](https://www.amazon.com/dp/B00J9H8O6C)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BioSilk Silk Therapy Original Reconstructing Leave-In Hair Treatment Adds Shine Smooths & Prevents Split Ends Sulfate-Free Paraben-Free Cruelty-Free 2.26 Oz**BioSilk**$10.90**4.7★**▲ 45%**](https://www.amazon.com/dp/B00J4G1ZRS) [**CHI Infra Silk Infusion Silk Reconstructing Leave-In Hair Treatment for Creating Smooth Shiny Strong Hair 2 Oz**CHI**$10.11**4.7★**▲ 18%**](https://www.amazon.com/dp/B0018HH444) [**BioSilk Silk Therapy Original Reconstructing Leave-In Hair Treatment Adds Shine Smooths & Prevents Split Ends Sulfate-Free Paraben-Free Cruelty-Free 12 Oz**BioSilk**$24.37**4.8★**▲ 14%**](https://www.amazon.com/dp/B002JLUY2M) [**CHI Infra Silk Infusion Silk Reconstructing Leave-In Hair Treatment for Creating Smooth Shiny Strong Hair 12 Oz**CHI**$30.65**4.7★**— 1%**](https://www.amazon.com/dp/B000BX1Z00) [**BioSilk Silk Therapy Miracle 17 Leave-In Conditioner for Dry & Damaged Hair Reconstructs Repairs & Hydrates Adds Shine Controls Frizz & Defines Curls Sulfate- Paraben- & Cruelty-Free 5.64 Oz**BioSilk**$15.31**4.6★**— 1%**](https://www.amazon.com/dp/B00KWT8JZC)
**~~View all trending →~~**
## **What buyers say about biosilk silk therapy**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**20%
*“Great smell”*
**Soft Feel**14%
*“Silky smooth”*
**Quality-Overall**12%
*“Literally the best quality moisturizer”*
**Value For Money**6%
*“Great Value”*
**Brightness/Shine/Glow**5%
*“Healthy shine”*
**Moist/Dry**4%
*“It was shiny, moisturized”*
**Suitability Straight Hair**4%
*“Perfect for my hair”*
**Suitability Curly Hair**3%
*“Great for frizzy hair”*
**Hair Styling**3%
*“Good for curl”*
**Hair Growth**3%
*“It does something magical to your hair”*
### **What buyers complain about **
**Smell**11%
*“Strong Chemical Odor”*
**Oily/Greasy**10%
*“Very oily”*
**Value For Money**8%
*“Over priced”*
**Size-Overall**8%
*“Too small”*
**Hair Related**8%
*“This is gross stuff it makes your hair stiff”*
**Moist/Dry**7%
*“not as moisturizing as I wish it would be”*
**Quality-Overall**3%
*“Not good quality”*
**Leak-Proof**2%
*“clorox bottles were leaking”*
**Functionality-Overall**2%
*“It comes out full force which isnt good”*
**Suitability Straight Hair**2%
*“It does not leave my hair silky like it once did”*
### **Top return reasons **
**Size-Overall**27%
**Smell**12%
**Advertised Vs Actual Product**10%
**Leak-Proof**9%
**Value For Money**8%
**Oily/Greasy**7%
**Functionality-Overall**4%
**Suitability Short Hair**4%
**Defective Material/Parts**2%
**Suitability Straight Hair**2%
## **Common questions**
- **Is biosilk silk therapy profitable to sell on Amazon United States?**
- The niche generates $2.5M/yr across 14 tracked products. 90-day search growth is -7.0%. Flapen's verdict: Skip it (49/100).
- **How competitive is the biosilk silk therapy niche?**
- 2 brands and 67 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in biosilk silk therapy?**
- Top complaints mined from reviews: Smell, Oily/Greasy, Value For Money. The return rate is 0.7%.
- **When does demand for biosilk silk therapy peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the biosilk silk therapy niche?**
- Listings span $7.53–$30.65; the average listing price is $18.36 (sweet spot $15–$100). The average incumbent carries 15,230 reviews — the moat a new listing must climb.
## **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)