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LAUROYL SILK AMINO ACIDS.

Valuable / CLEANSING, HAIR CONDITIONING, SURFACTANT - CLEANSING

Lauroyl Silk Amino Acids are a potent derivative of hydrolyzed silk protein, engineered for deep skin penetration due to their minute particle size. This ingredient functions primarily as a sophisticated humectant, attracting and retaining moisture to fortify the skin's natural barrier and enhance hydration.

Cleansing Hair Conditioning Skin Conditioning Surfactant

Science

As an acylated derivative of hydrolyzed silk protein, Lauroyl Silk Amino Acids possess a small particle size, enabling effective penetration into the dermal layers. It acts as a highly hygroscopic humectant, actively drawing and binding moisture to the skin, thereby establishing a robust moisture-binding barrier. Furthermore, it interlaces with the skin's inherent proteins, such as keratin, to maintain optimal hydration and form a protective surface. The amino acid components, particularly the sericin, contribute to these moisturizing effects through their abundant hydroxyl groups. This action supports improved skin elasticity and can contribute to a reduction in the visible appearance of fine lines by supporting the underlying collagen structure and significantly boosting moisture retention.


Research

Insufficient-data confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

Information regarding the dusting properties of Lauroyl Silk Amino Acids is not available in the provided research data.


The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

For optimal integration into cosmetic formulations, it is recommended to incorporate Lauroyl Silk Amino Acids during the cool-down phase below 110°C in heated processes, or directly into the water phase for cold-process formulations. Specific pH stability data for this ingredient within cosmetic contexts are currently not available.


Safety

CIR Status
Safe with restrictions
Sensitization risk Moderate

The CIR Expert Panel determined in September 2013 that amino acid alkyl amides, including Sodium Lauroyl Silk Amino Acids, are safe when used in cosmetic practices, provided they are formulated to be non-irritating. A slight irritant response was observed with sodium lauroyl silk amino acids at a concentration of 0.5% using the HET-CAM method, suggesting careful formulation is key to minimize potential irritation.


Your Skin

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

Our Assessment

Valuable

Lauroyl Silk Amino Acids offer valuable skin and hair conditioning benefits by enhancing hydration, supporting barrier function, and potentially improving elasticity, making them suitable for a wide range of cosmetic applications when properly formulated to prevent irritation.


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