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Moumoujus

SILYBUM MARIANUM SEED OIL.

Valuable CAS 84604-20-6 / SKIN CONDITIONING

Silybum Marianum Seed Oil, derived from Milk Thistle, is a multi-functional ingredient prized for its potent antioxidant and anti-inflammatory properties. Rich in beneficial fatty acids and Vitamin E, it supports skin barrier function, targets signs of aging, and calms irritation across all skin types.

Summary

skin conditioning antioxidant emollient anti-inflammatory barrier-repairing anti-aging

Science

Mechanism of Action

This oil provides robust antioxidant defense by neutralizing free radicals and shielding skin from environmental stressors like pollution and UV radiation. Its anti-inflammatory capabilities soothe redness, swelling, and irritation, making it beneficial for conditions like acne. Composed of 53-65% linoleic acid and 15-30.2% oleic acid, alongside up to 600 mg/kg of alpha-tocopherol (Vitamin E), it nourishes and strengthens the skin's natural barrier. Key components, such as silymarin and silybin, actively inhibit destructive enzymes like collagenase and elastase, which are responsible for degrading collagen, elastin, and hyaluronic acid, thereby contributing to anti-aging effects and potentially fading discoloration.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No data in the research indicates that Silybum Marianum Seed Oil is commonly 'dusted' (included at ineffective concentrations merely for label appeal). Its composition suggests it would provide benefit even at lower, yet effective, concentrations in a formulation.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

As a vegetable oil, its stability is primarily related to its oxidative resistance rather than pH. Its natural richness in essential fatty acids and antioxidants like Vitamin E contributes to its inherent oxidative stability.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

The CIR Expert Panel initiated a review of Silybum Marianum Seed Oil in 2010. While specific data for the seed oil is noted as insufficient, general assessments for Silybum Marianum extracts suggest a safe and non-irritating profile at typical cosmetic concentrations, with no significant toxicity reported.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Silybum Marianum Seed Oil is a valuable ingredient, offering broad-spectrum benefits from antioxidant protection and anti-inflammatory action to barrier repair and anti-aging effects, suitable for all skin types due to its low irritancy and comedogenicity.

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