colloidal silver gel
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great10.0%search→purchase rate — share of searches ending in a sale
Avg price
Good£13.56avg listing price — sweet spot $15–$100
Price range
Okay£7.34–£21.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay£225K£225K/yr · 165K searches
Review moat
Okay2,287.07avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad73%top-5 click share — a locked-up shelf
Growth
Bad-7.9%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, colloidal silver gel is a £225K/yr Amazon United Kingdom market (165K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
colloidal silver gel market data
- Units sold / yr
- 15K–20K
- avg 1,000–1,250/product
- Revenue / yr
- £203K–£271K
- units × avg price
- Conversion rate
- 10.0%
- Avg BSR
- #28
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 0.5%
- Avg brand age
- 76 months
- Avg seller age
- 180 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
12
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
0%
- Institut Katharos78%
- Metalchemy7%
- Benatural Essentials7%
- Nature's Greatest Secret5%
- VetSet4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -7.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top colloidal silver gel search terms
- colloidal silver100K/yr
- colloidal silver for humans26K/yr
- colloidal silver spray15K/yr
- silver spray for wounds8K/yr
- silver spray10K/yr
- silver colloidal3K/yr
- silver water3K/yr
Top colloidal silver gel 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
Colloidal Silver Spray 100mL 40 PPM Superior Concentration Smaller Particles Better Results Ecocert Cosmos Natural Certified Institut Katharos
Institut Katharos£10.934.5★6,411 rev
Colloidal Silver 40 PPM 1000 ml - for Humans & Dogs - Highly Active Hydrosol Silver Water for Best Results - Carbon Neutral
Institut Katharos£21.824.6★964 rev
Premium Colloidal Silver 40ppm 300mL Free Spray Bottle to Fill & Ebook Included Optimal Concentration Formula Smaller Particles Better Results Laboratory Certified Liquid Silver
Institut Katharos£16.704.6★2,583 rev
Colloidal Silver 40 PPM 500 ml - for Humans & Dogs - Silver Water Small Particles for Results - Carbon Neutral
Institut Katharos£16.454.5★1,543 rev
Premium Colloidal Silver Spray 40 PPM 30ml 100% Natural Superior Concentration Smaller Particles = Better Results Certified by 3 Independent Laboratories Choose a Specialist
Institut Katharos£7.624.5★2,504 rev
Newest
by launch date
VetSet Silver Aluminium Spray for Animal Wounds | Veterinary Antiseptic Silver Spray for Horses Dogs Livestock & Equine Use | Breathable Protective Coating for External Wounds & Abrasions 250ml
VetSet£14.8961 rev
![Colloidal Silver Spray 100mL 100 PPM Superior Concentration Artisanal Production Better Results Made in The UK [Alchemy] Natural](https://m.media-amazon.com/images/I/418Jz0GCvxL.jpg)
Colloidal Silver Spray 100mL 100 PPM Superior Concentration Artisanal Production Better Results Made in The UK [Alchemy] Natural
Metalchemy£14.2271 rev
![Colloidal Silver Refill 300mL 100 PPM Superior Concentration Artisanal Production Better Results Made in The UK [Alchemy] Natural](https://m.media-amazon.com/images/I/31MLiElyl5L.jpg)
Colloidal Silver Refill 300mL 100 PPM Superior Concentration Artisanal Production Better Results Made in The UK [Alchemy] Natural
Metalchemy£18.2743 rev
Colloidal Silver for Humans 500 ML 99 99% Pure Silver Active Silver Ions for Whole Family GMP Certified Facility Optimal Concentration 20 PPM SILVERPLUS
Institut Katharos£12.535,690 rev
Colloidal Silver 40 PPM 500 ml - for Humans & Dogs - Silver Water Small Particles for Results - Carbon Neutral
Institut Katharos£16.451,543 rev
Trending
90-day click momentumVetSet Silver Aluminium Spray for Animal Wounds | Veterinary Antiseptic Silver Spray for Horses Dogs Livestock & Equine Use | Breathable Protective Coating for External Wounds & Abrasions 250ml
VetSet£14.894.7★
Natures Greatest Secret Colloidal Silver Spray 20ppm 20ml | Travel Size | Crystal-Clear Ionic | pH 9.0 | Amber Glass | Natural & Vegan
Nature's Greatest Secret£7.344.5★
Colloidal Silver Refill 300mL 100 PPM Superior Concentration Artisanal Production Better Results Made in The UK [Alchemy] Natural
Metalchemy£18.274.6★
Premium Colloidal Silver 40ppm 300mL Free Spray Bottle to Fill & Ebook Included Optimal Concentration Formula Smaller Particles Better Results Laboratory Certified Liquid Silver
Institut Katharos£16.704.6★
Benatural Essentials Premium Quality Colloidal Silver Gel 100g | Antibacterial | Made in the UK | pH Balanced
Benatural Essentials£10.784.5★
What buyers say about colloidal silver gel
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product, my dogs gums have improved so much”
“Great spray”
“Value for Money”
“Ive found that it benefits many skin issues Ive had in the past”
“easy to use”
“both of them were much more effective than this one”
“Does the job”
“of PERFECT Colloidal Silver”
“It is handmade and packed in the UK and feels well produced and thoughtfully packaged overall”
“Overall its a natural product”
What buyers complain about
“too weak for the average adult”
“Let's hope the plastic has not messed up the contents”
“Waste of money”
“I was concerned about this actually being 40 ppm as it does not have the taste one would normally get from 40 ppm”
“This is a large sized bottle”
“it doesnt really smell”
“Severe toothache? Doubtful,”
“I don't think you should digest this”
“which makes it a bit difficult to use directly for most common applications”
“Hasn't done anything for my skin yet”
Top return reasons
Common questions
- Is colloidal silver gel profitable to sell on Amazon United Kingdom?
- The niche generates £225K/yr across 14 tracked products. 90-day search growth is -7.9%. Flapen's verdict: Skip it (43/100).
- How competitive is the colloidal silver gel niche?
- 5 brands and 12 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in colloidal silver gel?
- Top complaints mined from reviews: Strength, Material Quality, Value For Money. The return rate is 0.1%.
- When does demand for colloidal silver gel peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the colloidal silver gel niche?
- Listings span £7.34–£21.82; the average listing price is £13.56 (sweet spot $15–$100). The average incumbent carries 2,287 reviews — the moat a new listing must climb.