Prebiotic/Probiotic/Postbiotic

Saccharomyces/Malachite Ferment

INCI: SACCHAROMYCES/MALACHITE FERMENT

Reviewed by Emma · Last updated 14 Aug 2026

A fermented ingredient that conditions skin and hair through natural microbial metabolites

Best For Skin Types

All, Dry, Combination, Mature

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Saccharomyces/Malachite Ferment?

Saccharomyces/Malachite Ferment is a fermented complex combining yeast (Saccharomyces) with malachite, a green copper carbonate mineral. During fermentation, the yeast breaks down and metabolises its substrate, producing amino acids, peptides, and other bioactive compounds that are thought to have conditioning properties.

This ingredient functions as both a skin and hair conditioner, working to improve texture and support the skin's moisture retention. It represents a category of fermented ingredients increasingly used in cosmetics, where fermentation is employed to enhance ingredient efficacy and create beneficial microbial by-products.

How It Works

During fermentation, Saccharomyces yeast metabolises its growth medium, producing amino acids, small proteins (peptides), and other organic compounds. These fermentation by-products are believed to condition the skin by forming a light occlusive layer that helps reduce transepidermal water loss, whilst also potentially supporting the skin's natural moisture balance.

The malachite component may contribute mineral-based conditioning benefits, though the primary conditioning action is thought to come from the fermented yeast metabolites rather than the mineral itself.

Clinical Evidence & References

Dedicated clinical studies specifically examining Saccharomyces/Malachite Ferment are limited. The evidence base for this particular combination is largely derived from ingredient supplier data and product performance testing rather than peer-reviewed research.

Fermented ingredients in general have shown promise in skincare for hydration and texture improvement, but claims about this specific ferment should be considered provisional. If you are considering products containing this ingredient, look for performance data from the manufacturer or ask your skincare professional about their experience with it.

How to Use

This ingredient is typically incorporated into creams, serums, and conditioners at concentrations that allow it to exert its conditioning effect without oversaturating the formula. Use as directed by the product instructions. If you have sensitive skin or are new to fermented ingredients, introduce the product gradually to monitor your skin's response.

Safety & Precautions

Saccharomyces/Malachite Ferment is generally considered well-tolerated in cosmetic formulations. Individuals with known sensitivity to yeast or copper compounds should patch-test first.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations