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ETHYL ESTER OF HYDROLYZED SILK.

Valuable / ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING

A specialized silk derivative, Ethyl Ester of Hydrolyzed Silk offers significant antioxidant defense, stimulates collagen production, and profoundly enhances skin hydration. This multi-functional ingredient is engineered to improve dermal structure and reduce the appearance of wrinkles.

Summary

Antistatic Hair conditioning Skin conditioning Antioxidant Anti-aging Moisturizing Collagen synthesis stimulator Wrinkle reduction

Science

Mechanism of Action

Ethyl Ester of Hydrolyzed Silk operates through multiple pathways to rejuvenate the skin. It acts as a potent antioxidant, neutralizing oxidative stress and safeguarding cells from damage, partly by upregulating cellular defense proteins like bcl-2. This ingredient actively promotes cellular repair and protects against UV radiation. Its anti-aging efficacy stems from stimulating Type I collagen synthesis, providing crucial amino acid building blocks, and enhancing overall skin structural integrity, leading to improved hydration and a refined dermal surface.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 General 'silk protein treatments' have demonstrated a 7.3% reduction in wrinkle depth measurements over 56 days, with improvements linked to enhanced hydration, collagen synthesis, and dermal structure. These silk-based formulations also show 20-30% higher moisturizing effects compared to hyaluronic acid and glycerin.
  2. 02 Formulations specifically incorporating Ethyl Ester of Hydrolyzed Silk have exhibited good physicochemical stability, including stable pH and consistent viscosity, and in vivo evaluations reported no significant adverse effects or skin reactions (erythema or edema) across test populations.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Alcohol
Optimal pH N/A
0 7 14

Stability

The ethyl ester of hydrolyzed silk is completely soluble in alcohol, enhancing its versatility in alcohol-based formulations and improving interaction with other cosmetic ingredients. Formulations containing this ingredient have demonstrated good physicochemical stability, maintaining stable pH and viscosity over time.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

While the CIR Expert Panel has reviewed other silk protein ingredients, Ethyl Ester of Hydrolyzed Silk itself has not been individually assessed. However, it is rated 'LOW' by EWG for concerns such as cancer, allergies & immunotoxicity, and developmental & reproductive toxicity. In silico assessments and in vivo evaluations of formulations containing the ingredient indicate no mutagenic/sensitizing alerts and no significant adverse skin reactions.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Ethyl Ester of Hydrolyzed Silk is a valuable, multi-functional ingredient providing notable anti-aging, antioxidant, and moisturizing benefits with an excellent safety profile.

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