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HYDROXYPROPYL TRIMONIUM CORN/WHEAT/SOY AMINO ACIDS.

Valuable / HUMECTANT, SKIN CONDITIONING

Hydroxypropyl Trimonium Corn/Wheat/Soy Amino Acids are a blend of hydrolyzed plant proteins, chemically modified to enhance skin interaction. This cationic ingredient functions as a potent humectant, delivering significant moisturizing and protective benefits for the skin.

Summary

Humectant Skin conditioning Hair conditioning

Science

Mechanism of Action

Derived from corn, wheat, and soy proteins, this ingredient undergoes hydrolysis into smaller amino acid units, facilitating enhanced skin absorption. These amino acids are then quaternized, forming a cationic (positively charged) complex. This positive charge enables effective binding to the naturally negatively charged skin surface. With its low molecular weight, it penetrates deeper epidermal layers, supplementing the skin's natural amino acid pool. Functioning as a humectant, it actively attracts and retains water, preserving the skin's moisture content for a refreshed, hydrated, and non-sticky finish.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

As a quaternized plant protein derivative, this ingredient exhibits a truly cationic nature, with an isoionic point above pH 9.0. This characteristic suggests robust stability and activity within higher pH environments. While no precise optimal pH range for overall formulation stability has been explicitly defined, its cationic charge necessitates careful consideration for potential incompatibilities with anionic ingredients.

Conflicts

  • Anionic ingredients

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed animal- and plant-derived amino acids, a category encompassing this ingredient, safe for use in current cosmetic practices and concentrations. The safety assessment primarily focused on dermal irritation and sensitization, with no adverse data identified in published literature regarding these concerns. The Environmental Working Group (EWG) further rates its 'Allergies & Immunotoxicity' as LOW. No specific SCCS opinion or FDA status for this exact ingredient has been found in the reviewed data.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Hydroxypropyl Trimonium Corn/Wheat/Soy Amino Acids are a valuable, safe, and effective humectant and skin conditioning agent, enhancing hydration and suppleness across various skin types.

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