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SODIUM LAUROYL GLYCINE PROPIONATE.

Valuable / CLEANSING, SURFACTANT - CLEANSING

Sodium Lauroyl Glycine Propionate is a mild, amino acid-derived anionic surfactant valued for its effective cleansing and emulsifying properties. It gently purifies the skin by lifting oils and impurities, while supporting the skin's natural moisture balance, ensuring a soft and comfortable after-feel.

Summary

Cleansing Surfactant Emulsifying Foam booster Moisture Retention Hair Conditioning (smoothing, antistatic)

Science

Mechanism of Action

As an amino acid-derived anionic surfactant, Sodium Lauroyl Glycine Propionate functions by lowering surface tension. This property enables it to efficiently emulsify and lift oils and sebum from the skin and hair, providing effective cleansing. Its amphiphilic nature helps generate a rich, creamy lather. Known for its mildness, it supports the skin and hair's moisture barrier, ensuring a non-stripping cleanse and leaving a soft after-feel. Additionally, it can contribute to smoothing and antistatic effects for hair and aids in stabilizing oil-in-water formulations.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 While specific optimal concentrations for all efficacy claims are not provided, research indicates that when blended with Cocamidopropyl Betaine (CAB), this ingredient contributes to a 74.74% lipid cleaning efficiency, particularly effective at a pH range of 7-8.
  2. 02 Clinical evaluations consistently demonstrate that Sodium Lauroyl Glycine Propionate is non-irritating and non-sensitizing in rinse-off applications at concentrations up to 15%, and in leave-on formulations at concentrations up to 5%.

Transparency

Dusting Analysis

Not commonly dusted

Sodium Lauroyl Glycine Propionate is an active ingredient primarily used for its functional properties as a surfactant and cleanser, not as a filler or a component subject to cosmetic dusting.

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 8
0 7 14

Stability

Exhibits excellent chemical stability and maintains effectiveness across a broad pH spectrum. A 1% aqueous solution typically has a pH between 6 and 8, with optimal lipid cleaning efficiency observed at pH 7-8 in some formulations.

Synergies

  • Enhances lipid cleaning efficiency when formulated in a blend with Cocamidopropyl Betaine (CAB).

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) panel has concluded that amino acid alkyl amides, a class encompassing this ingredient, are safe in cosmetic applications when formulated to be non-irritating. Specific studies indicate Sodium Lauroyl Glycine Propionate is non-irritating and non-sensitizing at concentrations up to 15% in rinse-off products and up to 5% in leave-on formulations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A highly valuable, mild amino acid-derived surfactant renowned for its gentle yet effective cleansing, foaming, and emulsifying capabilities across all skin types, making it an excellent choice for precision skincare formulations.

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