Prebiotic/Probiotic/Postbiotic

Schizosaccharomyces Ferment Filtrate

INCI: SCHIZOSACCHAROMYCES FERMENT FILTRATE

Reviewed by Kate · Last updated 2 Jun 2026

A fermented yeast filtrate that conditions and hydrates skin and hair

Best For Skin Types

All, Dry, Sensitive, Mature

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Schizosaccharomyces Ferment Filtrate?

Schizosaccharomyces ferment filtrate is derived from the fermentation of Schizosaccharomyces yeast. During fermentation, the yeast breaks down and produces bioactive compounds including amino acids, polysaccharides, and B vitamins that are then filtered to create a concentrated liquid ingredient.

In skincare and haircare formulations, this ingredient functions as a humectant and conditioning agent. Humectants draw moisture into the outer layers of skin, whilst the conditioning properties help soften and smooth both the skin barrier and hair fibre.

How It Works

Fermentation breaks down the yeast cell structure, releasing small molecular weight compounds such as amino acids, peptides, and oligosaccharides. These components are hygroscopic, meaning they attract water molecules and bind them to the skin, increasing hydration levels in the epidermis.

The conditioning effect comes from these same compounds forming a light film on the skin surface, which helps minimise transepidermal water loss and creates a smoother, more refined appearance.

Clinical Evidence & References

Published clinical data specifically on Schizosaccharomyces ferment filtrate in skincare is limited. However, fermented ingredients broadly show promise in supporting skin hydration and barrier function, with some studies suggesting that yeast-derived compounds can enhance moisturisation when tested in formulation.

The ingredient is well-established in cosmetic use and generally recognised as safe, though individual clinical efficacy data for this specific filtrate would strengthen evidence claims. Further research would help clarify its benefits relative to other humectants and conditioning agents.

How to Use

This ingredient works well in hydrating serums, moisturisers, and toners. It blends easily into both lightweight and richer formulations. There are no known compatibility issues with other common skincare ingredients, making it straightforward to layer with vitamin C serums, niacinamide, or retinoids as part of a routine. Use daily as part of your moisturising step.

Safety & Precautions

Generally well-tolerated across skin types. Those with yeast sensitivities should patch test first, though topical application carries lower risk than ingestion.

Frequently Asked Questions

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