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Moumoujus

HYDROLYZED SILK GLAND POWDER.

Valuable CAS - / HUMECTANT

Hydrolyzed Silk Gland Powder, derived from silk proteins, significantly boosts skin hydration and elasticity. It acts as a humectant and forms a protective film to prevent moisture loss, while also providing antioxidant defense against environmental stressors. This multi-functional ingredient contributes to a smoother, more supple complexion.

Summary

Humectant Moisturizer Skin-conditioning agent Hair conditioning agent Antistatic

Science

Mechanism of Action

Functioning as hydrolyzed silk proteins, this ingredient actively attracts and retains atmospheric moisture within the skin, thereby enhancing elasticity and suppleness and diminishing the visibility of fine lines. It establishes a protective, breathable film on the skin's surface to minimize transepidermal water loss and shield against environmental damage. Its amino acid profile closely mimics the skin’s Natural Moisturizing Factor (NMF), facilitating deep cellular hydration and nourishment. Furthermore, it exhibits antioxidant properties, neutralizing free radicals, and offers potential benefits in inhibiting melanin deposition for a brighter, more even skin tone and anti-photoaging effects.

Research

Clinical Evidence

High confidence
Effective range 0.5–2.5%
Optimal

N/A

Key findings

  1. 01 Recommended for standard daily skin care, demonstrating effective hydration and conditioning.
  2. 02 Recommended for intensive repair and treatment, indicating enhanced benefits for compromised skin.
  3. 03 General recommended usage in a wide array of skin and hair care products, including creams and lotions.
  4. 04 Confirmed as non-irritating and non-sensitizing in human skin irritation and sensitization tests.

Transparency

Dusting Analysis

Not commonly dusted

The provided research data does not contain information regarding the dusting properties of Hydrolyzed Silk Gland Powder.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 8
0 7 14

Stability

Highly stable within a pH range of 4.0 to 8.0, ensuring versatility in formulations. It demonstrates compatibility with a broad spectrum of surfactants (cationic, anionic, non-ionic) and can be incorporated into hydro-alcoholic systems (up to 20-30% alcohol). For ease of integration, it can be added to the water phase of a formula or introduced at the final formulation stage. Synergistic effects are observed when combined with hyaluronic acid and collagen.

Synergies

  • hyaluronic acid
  • collagen

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed 'hydrolyzed silk' and related silk proteins safe for use in cosmetics at current concentrations, citing non-irritancy at concentrations up to 20%. Further, the FDA's Generally Recognized As Safe (GRAS) evaluation for partially hydrolyzed silk fibroin in specific food applications underscores a broad safety profile, including minimal ocular irritation.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Hydrolyzed Silk Gland Powder is a valuable, well-tolerated ingredient that provides extensive hydration, boosts elasticity, and offers protective antioxidant benefits across various skincare and haircare formulations.

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