Saccharomyces/Magnesium Ferment

A magnesium complex produced by fermenting Saccharomyces yeast in the presence of magnesium salts. Used in cosmetics for gentle conditioning and a soft-touch finish in leave-on products.
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Ingredient Snapshot

Overview
A magnesium yeast ferment that gently conditions stressed skin.
Category
Skin Conditioning, Soothing, Barrier Support
Type
Mineral

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Calms the feel of stressed skin and supports a comfortable, conditioned complexion, though effects are subtle and depend on the overall formula.

Uses In Skincare & Cosmetics

Used in calming toners, barrier creams, and hydrating serums for everyday routines, and also found in lightweight gel moisturizers and soothing lotions.

Comedogenic Rating

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

Safety

Generally low risk, though slight stinging or redness can occur in reactive types. Patch testing is advisable if you're sensitive to yeast ferments.

Is Saccharomyces/Magnesium Ferment a Good Ingredient?

Fair, because it can support a comfortable feel, but the documented clinical effects are limited and subtle. Fermentation-derived ingredients like this may still irritate very sensitive skin, which keeps it from Good.

Products with Saccharomyces/Magnesium Ferment

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