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Moumoujus

SILYBUM MARIANUM ETHYL ESTER.

Valuable / SKIN CONDITIONING

Silybum Marianum Ethyl Ester, derived from milk thistle, is a precision emollient and skin-conditioning agent. Engineered with a high concentration of linoleic acid, it is designed to fortify the skin's natural barrier, enhance hydration, and provide protection against environmental stressors.

Summary

Emollient Skin-Conditioning Agent Barrier Protector Hydrator

Science

Mechanism of Action

This ester functions by delivering a high concentration of omega-6 fatty acids, notably over 50% linoleic acid, which are crucial for reinforcing cellular cohesion within the stratum corneum. This action fortifies the skin barrier, safeguarding it from physical and chemical stressors, as well as mitigating dryness and moisture loss. Furthermore, it actively contributes to improved skin hydration by reducing the degradation of filaggrin, a vital precursor to the skin's natural moisturizing factors, and acts as an emollient and softening agent.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 As part of a milk thistle extract formulation, Silybum Marianum Ethyl Ester demonstrated a gradual increase in skin moisture content and a gradual decrease in transepidermal water loss (TEWL) over time in volunteers, suggesting a protective effect on the skin barrier.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Silybum Marianum Ethyl Ester is a valuable formulation asset, enhancing the stability of emulsions to create finer and more homogenous textures. It can be seamlessly incorporated into foaming products at concentrations exceeding 1% without inducing phase separation, while maintaining product transparency.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Direct regulatory status from CIR, SCCS, or FDA specifically for Silybum Marianum Ethyl Ester is currently unavailable. While the Cosmetic Ingredient Review (CIR) has assessed Silybum Marianum Seed Oil, the ethyl ester form is not explicitly covered. EWG Skin Deep® designates Silybum Marianum (Blessed Thistle) Ethyl Ester as 'Restricted', indicating that EWG VERIFIED™ products necessitate comprehensive substantiation for its inclusion.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Silybum Marianum Ethyl Ester is a valuable ingredient for fortifying the skin barrier, enhancing hydration, and offering emollient benefits across all skin types, with a low risk of irritation or comedogenicity.

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