---
product_id: 58001570
title: "Colloidal Silver Spray 100mL ● 40 PPM ● Superior Concentration, Smaller Particles, Better Results ● Ecocert Cosmos Natural Certified ● Institut Katharos"
brand: "institut katharos"
price: "€ 34.77"
currency: EUR
in_stock: true
reviews_count: 13
category: "Institut Katharos"
url: https://www.desertcart.be/products/58001570-colloidal-silver-spray-100ml-40-ppm-superior-concentration-smaller-particles
store_origin: BE
region: Belgium
---

# 40 PPM ultra-pure silver concentration Smallest silver particles for max absorption Eco-certified natural & recyclable packaging Colloidal Silver Spray 100mL ● 40 PPM ● Superior Concentration, Smaller Particles, Better Results ● Ecocert Cosmos Natural Certified ● Institut Katharos

**Brand:** institut katharos
**Price:** € 34.77
**Availability:** ✅ In Stock

## Summary

> ✨ Spray the Future of Natural Wellness 💧

## Quick Answers

- **What is this?** Colloidal Silver Spray 100mL ● 40 PPM ● Superior Concentration, Smaller Particles, Better Results ● Ecocert Cosmos Natural Certified ● Institut Katharos by institut katharos
- **How much does it cost?** € 34.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/58001570-colloidal-silver-spray-100ml-40-ppm-superior-concentration-smaller-particles)

## Best For

- institut katharos enthusiasts

## Why This Product

- Trusted institut katharos brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Chic & Certified:** Ecocert Cosmos Natural certified with sustainable amber glass and recycled packaging for guilt-free wellness.
- • **Lab-Tested Transparency:** Triple independent lab certifications guarantee purity and potency, putting your trust first.
- • **Nano-Particle Advantage:** Smaller silver particles mean faster, deeper absorption and superior results you can trust.
- • **Portable Wellness Ritual:** Compact 100mL spray bottle fits your lifestyle—carry your natural immune support wherever you go.
- • **Pure Power in Every Spray:** 40 PPM concentration ensures potent, effective colloidal silver with no fillers or impurities.

## Overview

Institut Katharos Colloidal Silver Spray delivers a premium 40 PPM concentration of ultra-pure silver particles suspended in ultrapure water, certified by Ecocert Cosmos Natural. Packaged in eco-friendly amber glass, this 100mL spray is lab-tested for purity and potency, offering a trusted, portable solution for immune support, skin health, and infection prevention.

## Description

It was in October 2014 that Jean, our founder, heard about colloidal silver for the first time. Taken aback, he discovers its incredible merits and wonders why this solution is so little known to the general public. It was in the face of this observation that the Katharos Institute was born and it has a clear mission: to make the world aware of the extraordinary qualities of this thousand-year-old product! What makes our company unique? The feeling of having a mission: We are fortunate to be able to offer you this product and are aware of this great responsibility. Why we love what we do? We love colloidal silver and the impact it has on you. The whole team carefully reads each of your opinions and that gives us the energy to serve you on a daily basis. Why do we only make colloidal silver? We are convinced that manufacturing with care in France only colloidal silver is the best proof of quality What makes our company unique? The feeling of having a mission: We are fortunate to be able to offer you this product and are aware of this great responsibility. Why we love what we do? We love colloidal silver and the impact it has on you. The whole team carefully reads each of your opinions and that gives us the energy to serve you on a daily basis. Why do we only make colloidal silver? We are convinced that manufacturing with care in France only colloidal silver is the best proof of quality A complete range. Gel, liquid, small format, economical format ... Our colloidal silver is available in 7 different packaging. A complete range. Gel, liquid, small format, economical format ... Our colloidal silver is available in 7 different packaging. Is the bottle made of glass? Yes. Although more expensive and fragile, we chose glass to maintain the purity of the solution. No compromise on quality! What is the expiration date? You can store colloidal silver for 30 months without opening it. Once opened, you have 16 months to use it. Where can I find the Ebook? Upon your purchase, you will receive an email within 3 days including your Ebook. You can also download it from the QR code on the packaging or label. Is the bottle made of glass? Yes. Although more expensive and fragile, we chose glass to maintain the purity of the solution. No compromise on quality! What is the expiration date? You can store colloidal silver for 30 months without opening it. Once opened, you have 16 months to use it. Where can I find the Ebook? Upon your purchase, you will receive an email within 3 days including your Ebook. You can also download it from the QR code on the packaging or label. Discover our Sprays & Gel ! Visit the store Discover our Sprays & Gel ! Visit the store Discover our bottles ! Visit the store Discover our bottles !

Review: Amazing & Natural - Brilliant with a multitude of purposes. I had a really sore eye and someone suggested this to try. It soothed my eye immediately. I’ve also used it on my dog’s nose that splits and it has improved tenfold. I wouldn’t be without it now in the first aid box. I’ve just recommended it to my 96 year old mum. Totally natural !!!
Review: The WHY, HOW and WHEN. One of the best Colloidal silver products on the market, why and tips on review. Try it = Love it - !Note: The manufacturer supplied a review or discounted sample for my own evaluation. I only accept / request items that I'm interested in and the opinion of the product is my own personal view. ***PERSONAL OVERALL OPINION*** This seems to be one of those products that when you come across the products page on desertcart, you think ??? What on earth is this? But then, when you start gathering information, on everything that it can actually do, and one feels like WOW, really!?! At least, been honest, these were my thoughts about this product. Now that I have tried it for over a month… Would I buy it again? YES, but instead of the offered small bottle, I would simply buy the big one. Although, I'm grateful for the opportunity given, as a little product goes a long way and I have been able to discover an amazing and unknown product to me. In order to complete my review, in case it helps, I am sharing all the info I have on the product, so you know exactly what this product is, what it's used for and how. The best way to describe this product is as a natural antiseptic, which by what I have read, it has been used for over 6000 years (so it must be effective) It's important to remember and I must point out, without getting into too much detail, that without any negative reports or any health related issues (that I am aware of, after a lot of reading) that the ingestion of colloidal silver was banned in the European Union at the beginnings of 2010. This is in fact what many refer to as a "Worldwide Battle". As a very brief overview, we could simply say, that the government tries to make it very difficult to sell silver products as Colloidal Silver, as a food supplement because it directly competes with the antibiotic market (makes a lot of sense to me) In the United States, Australia, New Zealand and many other countries Colloidal Silver is still greatly used as a food supplement. ***How can we use colloidal silver?*** We can: *Ingest orally I have taken it orally and I'm standing on my two feet better than ever ;) *Breathe it's vapours / inhale it With a nebuliser, a facial steamer (much cheaper) or by the old pan and towel method. *External applications Apply it on cuts, burns, grazes.. On humans as well as on our pets ;) ***What can it be helpful for?*** Orally *Fatigue *Gastro-intestinal problems *Low immune system *Infections (in general) Inhaling it's vapours *Respiratory infection *Colds *Pneumonia *Bronchitis *Sinusitis External applications *Burns *Skin irritations *Bacterial skin infections *Cuts *Grazes ***Anything important to know?*** That if you're taking it orally, you can't use a metal spoon, as it reduces the effectiveness. The kiddies syrup plastic spoons or "calpol" syringes are the easiest to use. Always leave the product under the tongue, for one minute before swallowing (for better absorption) Taste is not too bad ;) ***How much do I take?*** ***How do I apply it?*** Orally As a nutritional supplement: ½ a teaspoon /2.5 ml per day To boost immune system: 2 teaspoons /10ml per day. 5ml each time on an empty stomach For temporally illnesses as a bad cold etc.: 1 teaspoon / 5ml up to 3 times a day (morning, at noon and at night). Total of 15ml per day. For long term treatments (several months): 2 teaspoons per day/ 10ml per day. With a nebuliser / inhalation Put 2 teaspoons into the nebuliser container, turn it on and breathe slowly and deeply for around 15 minutes (or until the liquid has disappeared) whichever happens first. Repeat three times a day for colds, pneumonia, bronchitis and sinusitis. External applications - On skin You can wet a bandage or a dressing in colloidal silver and apply it on the area. You can also spray it directly on the area to treat. ***What about my Pets?*** As with humans it is possible to use colloidal silver either externally or internally. External use: Sprayed to the required area, at least 3 times per day, for at least one week. Internal use: Administered with a feeding syringe or adding it into your pet’s water or food. +++PROS+++ + 1 Product with many uses + Easy application + Taste is not bad + Does not seem to sting on skin applications. I have one daughter that has complained on a little graze, but she was moaning before I even touched the area, so?!? Not sure on that. ;/ My son, said it didn’t sting on a paper cut (he is younger than my girl) + Effective After having a few internal infections from a non-completed surgery earlier this year, I have been on 3 courses of two different antibiotics at once. As soon as I seem to recover and the treatment is finished, infection comes back shortly after. It has been bringing me down greatly. Finally I have used Colloidal Silver for the past month… And so far (fingers and toes crossed) Infection has not come back this time. I even feel better than before as it seems to help with overall fatigue. I will make sure, we never run out of this product. + Value for money For its numerous uses Because a little goes a long way. ***PERSONAL TIP*** If comparing prices and brands, as we all do. Always check the ppm/ml contents of the product. There is another ones been sold at the same price, and only contain 10ppm/100ml Which is 4 times less silver than in this Colloidal Silver from Institut Katharos. Therefore this Colloidal Silver is one of the best and most concentrated ones in the market. The water used to dilute the product is also ultra-purified and the pureness of the silver is 96% ionic silver (one of its purest forms) ---CONS--- None ***WHAT WOULD I IMPROVE / CHANGE?*** On the box it says, expiry date, from 6 months of opening. But my bottle already came open with the spray nozzle on, so…???!!! That has confused me a little. Besides that small comment, I am very happy I have discovered this superb and effective product and will always have a bottle at home. From a review request to a loyal customer.

## Features

- ●●● POWERFUL COLLOIDAL SILVER ●●● Just two ingredients. Yes, really. All we use to deliver you premium silver colloidal is ultrapure water & 40ppm silver. We have carefully formulated our colloidal silver liquid to make sure you are receiving an optimal concentration. No fillers, no impurities, just pure, nature-derived silver colloidal. We only use the smallest silver particles. Why? The smaller the particles, the better the results.
- ●●● MORE THAN JUST COLLOIDAL SILVER ●●● Our mission as a team is to impart our love and knowledge of colloidal silver to you. The free E-book included with every purchase gives you an in-depth insight into the incredible world of Colloidal silver and how it can improve your life. The best part? You'll be able to take the 100ml spray with you due to its small size. Never be left out without your colloidal silver !
- ●●● NATURALLY SOURCED PURITY ●●● All of our products harness the power of Mother Nature. Water carefully selected by our passionate team infuses your colloidal liquid with no less than ultra-pure water - the finest on the market. Our respect and admiration for nature overflow into the beautiful recycled cardboard packaging. When you open up the package you will see your colloidal silver encased in a pure amber glass bottle. Why not plastic? We refuse to diminish the purity of your product.
- ●●● PROFESSIONAL LABORATORY CERTIFICATION ●●● As a company, we believe in total transparency with our customers. Our products have been carefully scrutinized by 3 independent laboratories to make sure they are formulated to perfection. On our website, you can easily access lab certification which confirms our 40ppm concentration and the use of ultrapure water. Your trust is always what we strive to earn and keep.
- ●●● PRODUCED AND PACKED BY OUR DEDICATED TEAM ●●● All our prepping and packaging takes place in France. We are a small, passionate team who have fallen in love with delivering the highest quality colloidal silver to our customers and reading their incredible - life-changing - stories. As a company, we only sell colloidal silver; delivering you quality products is our - tunnel vision - focus.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B018T6XHN8 |
| Age Range Description | Adult |
| Allergen Information | Contains: Gluten Free, Lactose Free, Soy Free, Wheat Free |
| Benefits | Immune Support, Skin Health, Urinary Health |
| Best Sellers Rank | 2,843 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 1 in Colloidal Silver |
| Brand | Institut Katharos |
| Brand Name | Institut Katharos |
| Concentration | 40 PPM (Parts Per Million) - 40mg/L |
| Country Of Origin | France |
| Customer Reviews | 4.5 out of 5 stars 6,318 Reviews |
| Diet Type | Gluten Free, Vegan, Vegetarian |
| Flavour | Unflavoured |
| Item Form | Liquid |
| Item Volume | 100 Millilitres |
| Item Weight | 0.23 Kilograms |
| Item form | Liquid |
| Manufacturer | Institut Katharos |
| Manufacturer Part Number | 001 |
| Material Type Free | BPA Free, MSG Free, Sodium Free |
| Model Number | 001 |
| Number of Items | 1 |
| Primary Supplement Type | silver |
| Primary supplement type | silver |
| Product benefits | Immune Support, Skin Health, Urinary Health |
| Unit Count | 100.0 millilitre |
| Unit count | 100.0 millilitre |

## Product Details

- **Brand:** Institut Katharos
- **Diet type:** Gluten Free, Vegan, Vegetarian
- **Flavour:** Unflavoured
- **Item form:** Liquid
- **Item volume:** 100 Millilitres
- **Item weight:** 0.23 Kilograms
- **Number of items:** 1
- **Primary supplement type:** silver
- **Product benefits:** Immune Support, Skin Health, Urinary Health
- **Unit count:** 100.0 millilitre

## Images

![Colloidal Silver Spray 100mL ● 40 PPM ● Superior Concentration, Smaller Particles, Better Results ● Ecocert Cosmos Natural Certified ● Institut Katharos - Image 1](https://m.media-amazon.com/images/I/71VeDHs6Z6L.jpg)
![Colloidal Silver Spray 100mL ● 40 PPM ● Superior Concentration, Smaller Particles, Better Results ● Ecocert Cosmos Natural Certified ● Institut Katharos - Image 2](https://m.media-amazon.com/images/I/815B3THl+HL.jpg)
![Colloidal Silver Spray 100mL ● 40 PPM ● Superior Concentration, Smaller Particles, Better Results ● Ecocert Cosmos Natural Certified ● Institut Katharos - Image 3](https://m.media-amazon.com/images/I/81o8k+KpUmL.jpg)
![Colloidal Silver Spray 100mL ● 40 PPM ● Superior Concentration, Smaller Particles, Better Results ● Ecocert Cosmos Natural Certified ● Institut Katharos - Image 4](https://m.media-amazon.com/images/I/91pYT21tfRL.jpg)
![Colloidal Silver Spray 100mL ● 40 PPM ● Superior Concentration, Smaller Particles, Better Results ● Ecocert Cosmos Natural Certified ● Institut Katharos - Image 5](https://m.media-amazon.com/images/I/81G5NUMhDVL.jpg)

## Questions & Answers

**Q: can I use this to clean my jade face roller?**
A: I don't see why not, but I wash mine with some antibacterial handwash. Save your money!

**Q: Is this definiatelly colloidal silver or ionic?**
A: This is definitely genuine colloidal silver I have recently had viral pneumonia and was hospitalised but I was quickly discharged and sent home feeling so ill I also had an infection in my throat. There is nothing on the NHS to treat viral pneumonia but I could have had antibiotics for my throat infection. I used colloidal silver and had excellent results. I have also used it to spray in to my eyes as I have had long term Blepharitis which is very painful.I have tried all the eye drops the Hospital have given me and also bought every kind on eye drops on the market and Colloidal silver is the only product on the market that works for me.I use it for so much more and will never be without this fantastic product.Well worth the money

**Q: Can this be used or does it help clear up wart/skin tags on neck area**
A: No, I don't think it will have any effect. For skin tags, the fastest way is to tie them off with cotton. Make sure to keep the cotton tight to cut off the blood supply. I had 2 on my eyelid years ago, and within a couple of days they turned black and fell off. Apple Cider Vinegar can do the job. Use a cotton bud to apply it. It's a good idea to put some coconut oil or vasaline around the base of the wart/tag to protect the skin.

**Q: Can you use near metal fillings in the mouth**
A: Absolutely it Is very good for sore gums.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amazing & Natural
*by T***4 on 16 May 2026*

Brilliant with a multitude of purposes. I had a really sore eye and someone suggested this to try. It soothed my eye immediately. I’ve also used it on my dog’s nose that splits and it has improved tenfold. I wouldn’t be without it now in the first aid box. I’ve just recommended it to my 96 year old mum. Totally natural !!!

### ⭐⭐⭐⭐⭐ The WHY, HOW and WHEN. One of the best Colloidal silver products on the market, why and tips on review. Try it = Love it
*by P***S on 8 September 2016*

!Note: The manufacturer supplied a review or discounted sample for my own evaluation. I only accept / request items that I'm interested in and the opinion of the product is my own personal view. ***PERSONAL OVERALL OPINION*** This seems to be one of those products that when you come across the products page on Amazon, you think ??? What on earth is this? But then, when you start gathering information, on everything that it can actually do, and one feels like WOW, really!?! At least, been honest, these were my thoughts about this product. Now that I have tried it for over a month… Would I buy it again? YES, but instead of the offered small bottle, I would simply buy the big one. Although, I'm grateful for the opportunity given, as a little product goes a long way and I have been able to discover an amazing and unknown product to me. In order to complete my review, in case it helps, I am sharing all the info I have on the product, so you know exactly what this product is, what it's used for and how. The best way to describe this product is as a natural antiseptic, which by what I have read, it has been used for over 6000 years (so it must be effective) It's important to remember and I must point out, without getting into too much detail, that without any negative reports or any health related issues (that I am aware of, after a lot of reading) that the ingestion of colloidal silver was banned in the European Union at the beginnings of 2010. This is in fact what many refer to as a "Worldwide Battle". As a very brief overview, we could simply say, that the government tries to make it very difficult to sell silver products as Colloidal Silver, as a food supplement because it directly competes with the antibiotic market (makes a lot of sense to me) In the United States, Australia, New Zealand and many other countries Colloidal Silver is still greatly used as a food supplement. ***How can we use colloidal silver?*** We can: *Ingest orally I have taken it orally and I'm standing on my two feet better than ever ;) *Breathe it's vapours / inhale it With a nebuliser, a facial steamer (much cheaper) or by the old pan and towel method. *External applications Apply it on cuts, burns, grazes.. On humans as well as on our pets ;) ***What can it be helpful for?*** Orally *Fatigue *Gastro-intestinal problems *Low immune system *Infections (in general) Inhaling it's vapours *Respiratory infection *Colds *Pneumonia *Bronchitis *Sinusitis External applications *Burns *Skin irritations *Bacterial skin infections *Cuts *Grazes ***Anything important to know?*** That if you're taking it orally, you can't use a metal spoon, as it reduces the effectiveness. The kiddies syrup plastic spoons or "calpol" syringes are the easiest to use. Always leave the product under the tongue, for one minute before swallowing (for better absorption) Taste is not too bad ;) ***How much do I take?*** ***How do I apply it?*** Orally As a nutritional supplement: ½ a teaspoon /2.5 ml per day To boost immune system: 2 teaspoons /10ml per day. 5ml each time on an empty stomach For temporally illnesses as a bad cold etc.: 1 teaspoon / 5ml up to 3 times a day (morning, at noon and at night). Total of 15ml per day. For long term treatments (several months): 2 teaspoons per day/ 10ml per day. With a nebuliser / inhalation Put 2 teaspoons into the nebuliser container, turn it on and breathe slowly and deeply for around 15 minutes (or until the liquid has disappeared) whichever happens first. Repeat three times a day for colds, pneumonia, bronchitis and sinusitis. External applications - On skin You can wet a bandage or a dressing in colloidal silver and apply it on the area. You can also spray it directly on the area to treat. ***What about my Pets?*** As with humans it is possible to use colloidal silver either externally or internally. External use: Sprayed to the required area, at least 3 times per day, for at least one week. Internal use: Administered with a feeding syringe or adding it into your pet’s water or food. +++PROS+++ + 1 Product with many uses + Easy application + Taste is not bad + Does not seem to sting on skin applications. I have one daughter that has complained on a little graze, but she was moaning before I even touched the area, so?!? Not sure on that. ;/ My son, said it didn’t sting on a paper cut (he is younger than my girl) + Effective After having a few internal infections from a non-completed surgery earlier this year, I have been on 3 courses of two different antibiotics at once. As soon as I seem to recover and the treatment is finished, infection comes back shortly after. It has been bringing me down greatly. Finally I have used Colloidal Silver for the past month… And so far (fingers and toes crossed) Infection has not come back this time. I even feel better than before as it seems to help with overall fatigue. I will make sure, we never run out of this product. + Value for money For its numerous uses Because a little goes a long way. ***PERSONAL TIP*** If comparing prices and brands, as we all do. Always check the ppm/ml contents of the product. There is another ones been sold at the same price, and only contain 10ppm/100ml Which is 4 times less silver than in this Colloidal Silver from Institut Katharos. Therefore this Colloidal Silver is one of the best and most concentrated ones in the market. The water used to dilute the product is also ultra-purified and the pureness of the silver is 96% ionic silver (one of its purest forms) ---CONS--- None ***WHAT WOULD I IMPROVE / CHANGE?*** On the box it says, expiry date, from 6 months of opening. But my bottle already came open with the spray nozzle on, so…???!!! That has confused me a little. Besides that small comment, I am very happy I have discovered this superb and effective product and will always have a bottle at home. From a review request to a loyal customer.

### ⭐⭐⭐⭐⭐ Health product that works.
*by E***C on 13 April 2026*

I like this product it is very old school but works well.

## Frequently Bought Together

- Colloidal Silver Liquid 3.4 fl oz Spray ● Bioactive Hydrosol Silver Water ● Natural Nano Sol Supplement Solution ● Ionic Minerals 40 PPM ● Organic Structured Colloidal Spray
- Silver Miracles - Colloidal Silver Gel - Nano Silver Gel Wound Care - Healing Ointment for Burns & Irritated Skin - for All Skin Types - 4 Oz Unscented
- Silver Miracles - Colloidal Silver Soap

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-05-28*