Science
Mechanism of Action
This ingredient functions as a cationic surfactant, possessing a positive charge that facilitates strong adherence to the negatively charged surfaces of skin and hair, ensuring sustained conditioning effects even after rinsing. It acts as an antistatic agent, minimizing static electricity on the skin, and serves as a cleansing agent by effectively removing impurities without solely relying on surface tension reduction. As a skin conditioning agent, it supports epidermal health, imparts a soft tactile feel, and refines skin texture. The hydrolyzed wheat protein component acts as a powerful humectant, drawing and retaining moisture within the epidermis to significantly enhance skin hydration, firmness, and overall smoothness, concurrently forming a beneficial protective layer.
Research
Clinical Evidence
High confidence1.7%
Key findings
- 01 At concentrations between 0.5% and 2.5%, it offers conditioning benefits to both skin and hair, including softening, anti-static effects, and prevention of dryness.
- 02 Formulations between 1.0% and 2.5% are utilized in cleansing products like shampoos and shower gels for conditioning and cleansing properties.
- 03 Higher concentrations, up to 5.0%, have been incorporated into balms to provide enhanced conditioning and protective benefits, though general use should adhere to specific safety thresholds for the hydrolyzed protein component.
Transparency
Dusting Analysis
This ingredient is typically supplied as a clear viscous liquid, not a powder, making dusting irrelevant in formulation.
The Formula
Formulation
Stability
Appears as a clear viscous liquid, readily soluble in water. It exhibits compatibility with anionic, amphoteric, and non-ionic surfactants, allowing for versatile formulation.
Synergies
- Anionic surfactants
- Amphoteric surfactants
- Non-ionic surfactants
Safety
Safety Profile
The CIR Expert Panel considers hydrolyzed wheat protein (HWP) safe in cosmetics when formulated to minimize peptide lengths exceeding approximately 3.3-3.5 kDa (equivalent to 30 amino acids). Formulations should strictly avoid application to damaged skin, contact with mucous membranes, or incidental inhalation. The maximum reported use concentration for HWP is 1.7% in rinse-off, non-coloring hair products. A notable 'epidemic' of sensitization in Japan was linked to specific higher molecular weight HWPs used in certain soap products, underscoring the importance of molecular weight control and careful formulation, particularly in highly surfactant-rich products. The FDA recognizes peptones (hydrolyzed proteins) as Generally Recognized As Safe (GRAS) for direct food use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This multi-functional ingredient acts as an effective skin conditioner, humectant, and protective agent, provided formulations adhere strictly to molecular weight and application guidelines for optimal safety and performance.
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