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OXIDIZED GRAPE SKIN FERMENT EXTRACT.

Valuable / ANTIOXIDANT, SKIN CONDITIONING

Oxidized Grape Skin Ferment Extract is a bioactive ingredient derived from fermented grape by-products, rich in polyphenols, flavonoids, and organic acids. It is engineered to provide comprehensive antioxidant protection, enhance skin hydration, and promote an even, radiant complexion. This extract leverages the natural power of grapes through a fermentation process to optimize its skin benefits.

Summary

Antioxidant Skin Conditioning Anti-inflammatory UV Protection (Adjunct) Collagen Support Hydration Skin Renewal Brightening

Science

Mechanism of Action

This ferment functions as a powerful antioxidant, actively neutralizing free radicals and mitigating oxidative stress to safeguard skin from environmental aggressors and premature aging. Its anti-inflammatory properties soothe irritation and reduce redness. It offers protection against UV-induced damage, including UVA and HEV radiation. By supporting collagen synthesis, it helps diminish the appearance of fine lines, wrinkles, and enhances skin elasticity. Furthermore, it boosts skin hydration, aids in balancing skin pH, fosters a healthy skin microbiome, and contributes to skin renewal, leading to brighter skin tone and reduced hyperpigmentation.

Research

Clinical Evidence

Medium confidence
Effective range 0.83–1.64%
Optimal

0.83%

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.83%
Red flag below
0.83%

Based on clinical research, concentrations below 0.83% of fermented grape extracts may not deliver the observed moisturizing, antioxidant, and stability benefits. Formulations should aim for concentrations within the 0.83% to 1.64% range to ensure efficacy and optimal product stability.

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 6.5
0 7 14

Stability

The polyphenols inherent in grape extracts are vulnerable to oxidation and degradation from exposure to air, light, and heat, which can impact formulation stability and shelf life. Concentrations of fermented grape stem extracts exceeding 1.64% may lead to reduced formulation stability, potential ingredient coalescence, and diminished antioxidant performance over time. While the ferment itself can be quite acidic (pH 2.5-2.9 post-fermentation), general *Vitis Vinifera* extracts are stable within a pH range of 3.0-6.5.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
1.64%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically evaluated 'Oxidized Grape Skin Ferment Extract'. However, the CIR Panel has assessed 24 *Vitis vinifera* (grape)-derived ingredients, generally concluding them safe for cosmetic use. Grape skin extract is an FDA-approved food color additive. General *Vitis Vinifera* extracts are widely tolerated, including by sensitive skin types, and present a very low risk of allergy. While specific 'Oxidized Grape Skin Ferment Extract' is not rated, related grape derivatives have shown safety in concentrations up to 10% for fruit extract. For fermented grape stem extract, concentrations above 1.64% have been linked to formulation instability, suggesting this as a practical upper limit for optimal product performance.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Oxidized Grape Skin Ferment Extract is a valuable ingredient, offering significant antioxidant, moisturizing, and protective benefits, making it suitable for a wide range of precision skincare applications.

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