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METHYLSILANOL ASCORBATE.

Valuable CAS 187991-39-5 / ANTIOXIDANT

Methylsilanol Ascorbate is a stable, water-soluble derivative of Vitamin C, distinguished by the inclusion of a silanol group. This unique structure enhances its stability, skin penetration, and bioavailability, delivering powerful antioxidant and brightening benefits with improved efficacy.

Summary

antioxidant skin brightening skin-identical ingredient collagen booster skin firming tissue regeneration

Science

Mechanism of Action

This ingredient functions as a potent antioxidant by actively neutralizing free radicals, thereby protecting the skin from oxidative damage. It significantly inhibits melanin synthesis, which leads to a visibly brighter and more even skin tone, effectively diminishing the appearance of dark spots and hyperpigmentation. Furthermore, Methylsilanol Ascorbate stimulates cellular metabolism and boosts collagen production, promoting firmer, smoother, and more youthful-looking skin. The silanol component facilitates deeper skin penetration, stabilizes the molecule, and helps replenish endogenous silicon, crucial for tissue regeneration.

Research

Clinical Evidence

Medium confidence
Effective range 0.5–10%
Optimal

3% to 10%

Key findings

  1. 01 Demonstrates benefits in skincare formulations, considered safe and provides added advantages without significant irritation.
  2. 02 Proven safe, non-irritating, and non-mutagenic for use in anti-aging, skin-whitening, and after-sun cosmetic applications.
  3. 03 Formulations show notable antioxidant efficacy and maintained satisfactory stability over 90 days at temperatures of 5.0 °C and 45.0 °C. pH levels remained largely unchanged during this period.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Methylsilanol Ascorbate is a highly stable water-soluble Vitamin C derivative, offering superior stability compared to pure L-Ascorbic Acid. Formulations containing it have shown excellent stability at both 5.0 °C and 45.0 °C for durations up to 90 days. However, exposure to indirect light at ambient temperature (25.0 °C) can lead to slight modifications in product appearance and color over a 30-90 day period, indicating a need for appropriate packaging and storage to minimize light exposure.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Sensitization risk Low

As a derivative of Ascorbic Acid, Methylsilanol Ascorbate benefits from the Cosmetic Ingredient Review (CIR) Expert Panel's conclusion that Ascorbic Acid and its ascorbates are safe for use in cosmetic products. While a specific CIR report exclusively for Methylsilanol Ascorbate is not available, it is widely regarded as safe, non-irritating, and non-mutagenic for cosmetic applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Methylsilanol Ascorbate is a valuable Vitamin C derivative, offering enhanced stability and penetration for antioxidant, brightening, and anti-aging benefits across all skin types with low risk of irritation.

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