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HYDROXYPROPYLTRIMONIUM CORN/WHEAT/SOY AMINO ACIDS.

Valuable CAS - / HUMECTANT, SKIN CONDITIONING

This advanced ingredient is a cationic humectant, derived from hydrolyzed corn, wheat, and soy amino acids, engineered to deeply hydrate and form a protective film on the skin. Its low molecular weight allows for effective penetration into surface layers, augmenting the skin's natural amino acid composition.

Summary

Humectant Skin-Conditioning Agent

Science

Mechanism of Action

Hydroxypropyltrimonium Corn/Wheat/Soy Amino Acids are derived from plant-based proteins, meticulously broken down into smaller amino acid units to enhance absorption. A strategic chemical modification introduces a hydroxypropyltrimonium group, rendering the compound positively charged (cationic). This inherent cationicity facilitates strong electrostatic binding to the negatively charged surfaces of both skin and hair. Functioning primarily as a humectant, it actively attracts and retains moisture. Furthermore, it establishes a thin, moisture-retentive film on the skin surface. Its optimized low molecular weight is crucial, enabling it to effectively penetrate the stratum corneum, thereby supplementing the skin's existing natural moisturizing factors.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No data is available to suggest this ingredient is commonly associated with dusting or has established dusting thresholds in cosmetic formulations.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The ingredient's isoionic point has been specifically engineered to a pH exceeding 9.0, ensuring its consistently cationic nature and functional stability across a broad range of formulation conditions.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed the safety of constituent soy proteins, peptides, and alpha-amino acids in cosmetic applications at current use and concentration levels. Concerns regarding deep dermal penetration, skin irritation, or allergic reactions were dismissed due to the ingredient's water solubility and low molecular weight. While a maximum concentration of 0.3% for related 'wheat amino acids' was noted in hair dyes, no specific maximum concentration for this exact ingredient in skin products was provided. L-amino acids are generally recognized as safe (GRAS) by the FDA for food use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

HYDROXYPROPYLTRIMONIUM CORN/WHEAT/SOY AMINO ACIDS is a valuable cationic humectant and skin-conditioning agent, offering effective hydration and protection across all skin types with a favorable safety profile.

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