Science
Mechanism of Action
This ingredient functions as a skin conditioning agent by improving surface texture, resulting in softer and smoother skin. It creates a protective film to reduce moisture loss and dryness. Its peptides and amino acids mimic the skin's Natural Moisturizing Factors (NMF), actively attracting and retaining water to boost hydration. By strengthening the stratum corneum, it limits transepidermal water loss (TEWL), thereby enhancing barrier function. Furthermore, the soy peptides and isoflavones deliver antioxidant benefits, neutralizing free radicals and mitigating oxidative stress. It also contributes to maintaining skin elasticity and firmness, minimizes the appearance of fine lines, and possesses calming properties, potentially aiding in collagen stimulation and offering anti-inflammatory effects.
Research
Clinical Evidence
Medium confidence3%
Transparency
Dusting Analysis
Hydrolyzed Soy Flour is typically incorporated into cosmetic formulations at concentrations of 1-5% for its skin conditioning benefits, indicating it is used at efficacious levels rather than for 'dusting' purposes.
The Formula
Formulation
Stability
Optimal stability for similar hydrolyzed soy protein ingredients is observed within a pH range of 4.0-7.0.
Safety
Safety Profile
The CIR Expert Panel has deemed soy proteins and peptides, including Hydrolyzed Soy Flour, safe for use in cosmetics at current concentrations. The SCCS does not restrict its use under EU regulations, and the FDA generally recognizes it as safe for topical cosmetic application, with dermal safety studies reporting no irritation or sensitization up to 25%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Hydrolyzed Soy Flour is a valuable ingredient offering comprehensive skin benefits, including deep hydration, barrier reinforcement, antioxidant protection, and anti-aging properties, suitable for all skin types due to its low irritancy and comedogenicity.
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