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TRIMETHYLSILYL TRIMETHYLSILOXY LACTATE.

Insufficient Data CAS 17596-96-2 / SKIN CONDITIONING

TRIMETHYLSILYL TRIMETHYLSILOXY LACTATE is a silylated ester of lactic acid, engineered to potentially offer a protected and controlled delivery mechanism for this renowned alpha-hydroxy acid (AHA) to the skin.

Summary

Skin-Conditioning Agent Exfoliant Humectant Anti-Aging Agent

Science

Mechanism of Action

This compound is a silylated derivative of lactic acid. Its trimethylsilyl group is theorized to establish strong bonds with hydroxyl groups, effectively shielding the lactic acid component from environmental influences like pH fluctuations, and preventing premature hydrogen bonding or prototropic equilibria. This molecular design suggests a mechanism for controlled release, allowing lactic acid to exert its known benefits such as exfoliation, enhanced hydration, improved skin smoothness, and a reduction in the appearance of fine lines and wrinkles. Lactic acid itself is crucial for maintaining skin homeostasis, supporting barrier function, and influencing collagen synthesis and immunomodulation.

Research

Clinical Evidence

Low confidence
Effective range 5–12%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The trimethylsilyl group may contribute to stability by shielding functional groups from pH variations. However, the ingredient demonstrates hydrolytic sensitivity, reacting slowly with moisture or water, indicating a need for careful formulation to preserve its integrity.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

TRIMETHYLSILYL TRIMETHYLSILOXY LACTATE specifically has not undergone direct review by the Cosmetic Ingredient Review (CIR) Expert Panel. However, the CIR has assessed alpha hydroxy acids (AHAs), including lactic acid and its common esters, concluding their safety in cosmetic products at concentrations ≤10% within formulations with a final pH ≥3.5, provided daily sun protection is utilized. For salon-use products, they are considered safe at concentrations ≤30% with a final pH ≥3.0 for brief, discontinuous application by trained professionals, also requiring sun protection. The safety status by SCCS or FDA for this specific ingredient has not been found.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Insufficient Data

TRIMETHYLSILYL TRIMETHYLSILOXY LACTATE holds promise as a controlled-release vehicle for lactic acid, potentially delivering AHA benefits with enhanced stability, yet specific clinical efficacy and safety data for this unique compound are currently limited.

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