Science
Mechanism of Action
This ingredient functions by delivering small protein molecules, amino acids, and peptides to the skin's surface. These components readily absorb, creating a protective film that significantly reduces transepidermal water loss (TEWL) and contributes to increased skin firmness. As a humectant, it actively attracts and binds moisture, aiding in the formation of Natural Moisturizing Factors (NMF) and stimulating filaggrin production, which is crucial for a robust skin barrier. The incorporated 'Diethonium' structure imparts a cationic charge, ensuring enhanced substantivity and adhesion to the negatively charged skin and hair surfaces, thereby delivering superior conditioning benefits and helping to mitigate irritation from cleansing agents.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Typical use levels for Hydrolyzed Wheat Protein (HWP), the foundational component, range from 0.5% to 5% in various cosmetic formulations. While specific clinical studies for PALM/STEAR/BEHENAMIDOETHYL DIETHONIUM HYDROLYZED WHEAT PROTEIN are not extensively detailed, its efficacy is extrapolated from the established benefits of HWP.
- 02 A 25% aqueous solution of acid- and enzyme-hydrolyzed HWP demonstrated no primary dermal irritation in studies conducted on rabbits, suggesting a low irritancy profile for the core protein component.
Transparency
Dusting Analysis
Information regarding dusting properties for this specific ingredient is not available in the research data.
The Formula
Formulation
Stability
Similar to its parent Hydrolyzed Wheat Protein, this ingredient is water-soluble, forming a clear, amber-yellow aqueous solution. It exhibits excellent thermal stability, allowing for seamless integration into the water phase either prior to heating or during cold processing. Optimal formulation pH is recommended between 3.8 and 4.2; this range is crucial for balancing safety and efficacy, as proteins demonstrate enhanced bonding and water solubility at pH values below their neutral pH (4.5-5 for HWP).
Conflicts
- As a quaternized (cationic) derivative, this ingredient may potentially interact with highly anionic cosmetic ingredients. Such interactions could lead to phenomena like precipitation or a reduction in overall efficacy, particularly when utilized at higher concentrations or under suboptimal pH conditions.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Hydrolyzed Wheat Protein (HWP) and its gluten derivatives safe for cosmetic use, provided peptide lengths are precisely restricted to a weight-average molecular weight of 3500 Da or less (approximately 30 amino acids). This restriction is critical to minimize the risk of Type 1 immediate hypersensitivity reactions and reduce sensitization potential in individuals. It is further advised to avoid using ingredients with peptide lengths exceeding 30 amino acids on damaged skin, in products that may contact mucous membranes, or where incidental inhalation is possible. The SCCS has concluded that hydrolyzed wheat protein itself is not a skin irritant. The maximum reported concentration for HWP in rinse-off non-coloring hair products, as per CIR, is 1.7%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This advanced hydrolyzed wheat protein derivative offers valuable moisturizing, barrier-supporting, and conditioning benefits, making it particularly beneficial for dry, normal, and sensitive skin types when formulated within recommended safety parameters.
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