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Ingredient directory

Yeast Ferment Extract

This multifaceted ingredient is valued for its exceptional hydrating, antioxidant, and skin-regenerating capabilities. It actively supports a plumper, more radiant complexion by strengthening the skin barrier and promoting healthy cell turnover.

Directory entry · Individual source review pending

This profile is awaiting an individual source review. Treat its ratings, dose estimates and compatibility labels as provisional; they are not medical advice or proof of a finished product’s effects.

Soothing Antioxidant Moisturizer/Humectant Skin-Protecting Film-forming Exfoliating Collagen Boosting Wound Healing

Science

Mechanism of Action

Rich in natural moisturizing factors, vitamins, and peptides, it deeply hydrates, protects against environmental damage, and calms irritation. It also facilitates gentle exfoliation and stimulates collagen production, enhancing skin texture, firmness, and overall radiance.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Galactomyces Ferment Filtrate significantly improved pore size, redness, roughness, and hydration over an 8-week period.
  2. 02 Yeast oligopeptides demonstrated non-irritating exfoliation comparable to glycolic acid and confirmed anti-inflammatory properties.
  3. 03 Yeast cell derivatives were found to stimulate collagen and elastin production, alongside promoting wound healing.

Transparency

Dusting Analysis

Not commonly dusted

There is no available data to suggest that Yeast Ferment Extract is commonly dusted.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 6
0 7 14

Stability

It is water-soluble, with an optimal pH range for activity or fermentation between 4.0 and 6.0, where efficiency is higher below pH 5.0.

Conflicts

  • May contain residual fungal proteins that could potentially feed Malassezia, which is linked to fungal acne; caution is advised for prone skin types.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

The CIR has requested further dermal sensitization and GRAS data for 'Yeast Ferment Extract'. However, related 'Yeast Extract' is generally considered safe, and *Saccharomyces cerevisiae* is FDA-affirmed as GRAS for food use up to 5%.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

This versatile ingredient provides significant hydration, antioxidant protection, and boosts skin regeneration for a healthier, more resilient complexion across all skin types.

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