Science
Mechanism of Action
As an ester of lactic acid, Methyl Lactate functions as an Alpha Hydroxy Acid (AHA), promoting skin exfoliation to enhance texture and clarity. It is absorbed into the skin where it is hypothesized to convert into lactic acid, contributing to its renewal properties. Additionally, it acts as a solvent within cosmetic preparations.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Methyl Lactate exhibits miscibility with water; however, it undergoes slow decomposition. It maintains stability when stored under recommended conditions.
Conflicts
- Potential for skin irritation if formulated at excessively low pH or high concentrations, requiring careful adjustment of these parameters.
- Increased photosensitivity due to its AHA properties necessitates the inclusion of sun protection warnings in formulations.
Safety
Safety Profile
Deemed safe for use in cosmetic products at concentrations up to 10% and at a final formulation pH of 3.5 or higher. Essential precautions include formulating to mitigate sun sensitivity or providing clear instructions for daily sun protection use. For professional salon use, it is safe up to 30% at pH 3.0 or higher, provided it's for brief, intermittent use with thorough rinsing, applied by trained professionals, and accompanied by sun protection guidance.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Methyl Lactate is a valuable Alpha Hydroxy Acid ester for skin exfoliation, provided it is meticulously formulated within strict pH and concentration limits and includes sun protection guidance to mitigate high irritancy potential.
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References
Sources