---
product_id: 371385518
title: "Colloidal Silver ● Optimal Concentration Formula, Smaller Particles, Better Results ● Laboratory Certified ● Liquid Silver Made in EU ● Free Spray Bottle to Fill & Ebook (17 fl oz)"
brand: "institut katharos"
price: "£170.51"
currency: GBP
in_stock: true
reviews_count: 5
url: https://www.desertcart.co.uk/products/371385518-colloidal-silver-optimal-concentration-formula-smaller-particles-better-results-laboratory
store_origin: GB
region: United Kingdom
---

# Eco-friendly amber glass packaging 40ppm ultra-pure silver concentration Lab-certified for guaranteed quality Colloidal Silver ● Optimal Concentration Formula, Smaller Particles, Better Results ● Laboratory Certified ● Liquid Silver Made in EU ● Free Spray Bottle to Fill & Ebook (17 fl oz)

**Brand:** institut katharos
**Price:** £170.51
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your wellness game with pure, potent silver power 💧

## Quick Answers

- **What is this?** Colloidal Silver ● Optimal Concentration Formula, Smaller Particles, Better Results ● Laboratory Certified ● Liquid Silver Made in EU ● Free Spray Bottle to Fill & Ebook (17 fl oz) by institut katharos
- **How much does it cost?** £170.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/371385518-colloidal-silver-optimal-concentration-formula-smaller-particles-better-results-laboratory)

## 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 Packaging:** Stored in premium amber glass to preserve quality and reduce plastic waste—because sustainability matters.
- • **Knowledge is Power:** Free comprehensive eBook with every purchase to unlock the full potential of colloidal silver.
- • **On-the-Go Wellness:** Compact 17 fl oz spray bottle included—carry your immune and skin support wherever life takes you.
- • **Pure Power in Every Drop:** Only two ingredients—ultrapure water and 40ppm silver—for unmatched purity and potency.
- • **Science-Backed Confidence:** Professionally lab-tested and certified to ensure consistent, reliable results you can trust.

## Overview

Institut Katharos Colloidal Silver delivers a premium 40ppm concentration of ultra-fine silver particles suspended in pure water, stored in eco-friendly amber glass to maintain potency. Lab-certified for quality and purity, this 17 fl oz spray bottle formula supports immune health and skin care, accompanied by a free educational eBook. Made in the EU with transparency and sustainability at its core.

## Description

SILVER COLLOIDAL: Only two components ultrapure water and 40ppm silver. No additives, just pure, natural silver. We use the smallest particles for better effects. No compromise on quality.

Review: Really good colloidal silver - Very good colloidal silver. We use a lot at home and the large bottle is a great value for money.
Review: Ottimo per il mio pet - L ho acquistato perché lo uso per pulire il contorno occhi al mio maltese , inodore incolore non crea fastidi al mio pet e toglie quelle macchie Bruno rossastre che si creano a causa delle secrezioni , ottimo prodotto con spedizione veloce

## Features

- Silver Colloidal: Contains only two ingredients – pure water and 40ppm silver. No additives, just high-quality, natural silver. We use ultra-fine silver particles for optimal effectiveness.
- More than colloidal silver: We aim to share our passion and knowledge about colloidal silver. Every purchase includes a complimentary E-book with helpful information. Compact and portable, take your silver with you wherever you go!
- Naturally sourced purity: Our products are made with pure water and come in eco-friendly packaging. The colloidal silver is stored in a high quality amber glass bottle to maintain its quality—no plastic, just nature’s best.
- Professional lab certification: Our products are tested by independent labs for quality and 40ppm concentration. Certification details are available on our website. We are committed to earning and maintaining your trust with full transparency.
- Produced and packed in France: Our small, passionate team focuses solely on delivering the highest quality colloidal silver. We take pride in our work and love hearing how our products positively impact our customers.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B018STEYBU |
| Age Range Description | All Ages |
| Allergen Information | Milk Free, Sulphites Free, Wheat Free |
| Best Sellers Rank | #73,140 in Health ( See Top 100 in Health ) #725 in Antioxidant Supplements |
| Brand | Institut Katharos |
| Brand Name | Institut Katharos |
| Concentration | 40 part per million |
| Customer Reviews | 4.6 out of 5 stars 8,698 Reviews |
| Diet Type | Vegan |
| Flavor | Plata |
| Flavour | Plata |
| Item Form | Spray |
| Item Nype Name | Premium Colloidal Silver Liquid 40 PPM. |
| Item Volume | 500 Milliliters |
| Item form | Spray |
| Manufacturer | Institut Katharos |
| Manufacturer Part Number | 002 |
| Material Type Free | BPA Free, Gluten Free, Lactose Free |
| Model Number | 002 |
| Number of Items | 1 |
| Primary Supplement Type | Silver |
| Primary supplement type | Silver |
| Product Benefits | Immune Support,Skin Care |
| Product benefits | Immune Support,Skin Care |
| Supplement Formulation | Individual Supplement |
| UPC | 602561985347 |

## Product Details

- **Brand:** Institut Katharos
- **Item form:** Spray
- **Flavour:** Plata
- **Product benefits:** Immune Support,Skin Care
- **Number of Items:** 1

## Images

![Colloidal Silver ● Optimal Concentration Formula, Smaller Particles, Better Results ● Laboratory Certified ● Liquid Silver Made in EU ● Free Spray Bottle to Fill & Ebook (17 fl oz) - Image 1](https://m.media-amazon.com/images/I/912HaFaAFlL.jpg)
![Colloidal Silver ● Optimal Concentration Formula, Smaller Particles, Better Results ● Laboratory Certified ● Liquid Silver Made in EU ● Free Spray Bottle to Fill & Ebook (17 fl oz) - Image 2](https://m.media-amazon.com/images/I/815B3THl+HL.jpg)
![Colloidal Silver ● Optimal Concentration Formula, Smaller Particles, Better Results ● Laboratory Certified ● Liquid Silver Made in EU ● Free Spray Bottle to Fill & Ebook (17 fl oz) - Image 3](https://m.media-amazon.com/images/I/81o8k+KpUmL.jpg)
![Colloidal Silver ● Optimal Concentration Formula, Smaller Particles, Better Results ● Laboratory Certified ● Liquid Silver Made in EU ● Free Spray Bottle to Fill & Ebook (17 fl oz) - Image 4](https://m.media-amazon.com/images/I/91pYT21tfRL.jpg)
![Colloidal Silver ● Optimal Concentration Formula, Smaller Particles, Better Results ● Laboratory Certified ● Liquid Silver Made in EU ● Free Spray Bottle to Fill & Ebook (17 fl oz) - Image 5](https://m.media-amazon.com/images/I/81G5NUMhDVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Really good colloidal silver
*by N***E on 25 May 2026*

Very good colloidal silver. We use a lot at home and the large bottle is a great value for money.

### ⭐⭐⭐⭐⭐ Ottimo per il mio pet
*by L***A on 25 January 2026*

L ho acquistato perché lo uso per pulire il contorno occhi al mio maltese , inodore incolore non crea fastidi al mio pet e toglie quelle macchie Bruno rossastre che si creano a causa delle secrezioni , ottimo prodotto con spedizione veloce

### ⭐⭐⭐⭐⭐ Antibiotiques naturel
*by G***N on 25 March 2026*

L'argent colloïdal est un antibiotique naturel très bon pour les personnes et les animaux j'adore ce produit.

## Frequently Bought Together

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-04*