Saccharomyces/Xylinum/ Black Tea Ferment

A co-ferment of black tea by Saccharomyces and Xylinum bacteria, creating a complex of organic acids and metabolites. It's used for antioxidant support and surface conditioning, with modest evidence reflected in its fair rating.
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Ingredient Snapshot

Overview
A fermented black tea complex that fights dullness with antioxidants.
Category
Antioxidant, Skin Conditioning
Type
Antioxidant

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Supports skin's defense against pollution-related dullness and helps the complexion appear more refined, though evidence is modest. Effects are generally subtle with consistent use.

Uses In Skincare & Cosmetics

Found in antioxidant serums, face creams, and eye treatments to complement daily skincare routines.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Typically safe at cosmetic concentrations, but the acidic profile may increase stinging or dryness in sensitive skin. Use caution near the eyes and avoid combining with strong acids if irritation occurs.

Is Saccharomyces/Xylinum/ Black Tea Ferment a Good Ingredient?

Fair, because the antioxidant and conditioning claims rely on modest, formulation-dependent evidence. The organic acids from the co-ferment can also be mildly irritating, especially for sensitive areas or when layered with exfoliants.

Products with Saccharomyces/Xylinum/ Black Tea Ferment

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