Science
Mechanism of Action
This ingredient functions primarily as a skin conditioning agent, moisturizer, and film former. Its modified structure, derived from lauric acid and hydrolyzed soy protein, enables it to significantly boost the skin's moisture content, thereby improving hydration and overall elasticity. As a hydrolyzed protein, it is broken down into smaller peptides, which may facilitate enhanced penetration into the skin's epidermal layers. Additionally, it establishes a subtle protective film on the skin's surface, helping to shield against environmental stressors and imparting a notably soft, smooth tactile sensation.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 While the general benefits attributed to hydrolyzed soy proteins, such as improved hydration, elasticity, and barrier support, are recognized within the cosmetic industry, extensive clinical research specifically on LAURDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN with detailed efficacy findings is limited. Typical usage concentrations in cosmetic formulations range from 0.1% to 5%.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ingredient is soluble in water and generally considered stable. While specific optimal pH ranges for LAURDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN are not extensively detailed, general soy protein hydrolysates demonstrate enhanced solubility and thermal resilience through hydrolysis. For related soy protein isolates, stability can be improved by reducing pH (e.g., from 8 to 5), with pH 6 often cited as beneficial for storage stability. The isoelectric point of soy protein is pH 4.5, where its solubility is typically lower. Formulations should avoid pH levels above 9.0 to prevent potential undesirable amino acid modifications.
Conflicts
- strong oxidants
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that soy proteins and peptides, a broader category that includes this ingredient, are safe for use in cosmetics at current concentrations and practices. Dermal studies specifically on 'Hydrolyzed Soy Protein' showed no irritation at concentrations up to 25% in rabbits and humans. Although a precise maximum concentration for LAURDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN from CIR is not explicitly stated, its typical application levels in cosmetics range from 0.1% to 5%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
LAURDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN is a valuable multi-functional ingredient that effectively conditions skin, enhances hydration, and forms a protective barrier, suitable for a wide range of skin types with a low safety concern.
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