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Moumoujus

ORYZA SATIVA LEES EXTRACT.

Valuable CAS 68553-81-1 / SKIN CONDITIONING

Oryza Sativa Lees Extract is a concentrated derivative from rice fermentation, teeming with essential amino acids, vitamins, and potent antioxidants. It is designed to deeply hydrate the skin, promote an even skin tone, and fortify against environmental damage.

Summary

Skin Conditioning Hydrating Moisture Retention Hyperpigmentation Reduction Antioxidant Anti-aging Anti-inflammatory Soothing Barrier Strengthening Gentle Exfoliation

Science

Mechanism of Action

This extract delivers a comprehensive array of beneficial compounds, including amino acids, vitamins E and B, antioxidants (such as ferulic acid, gamma-oryzanol, and anthocyanin), ceramides, and other lipids. Its mechanism involves significantly enhancing skin hydration and moisture retention. It actively works to reduce hyperpigmentation, contributing to a more uniform skin tone, and provides robust antioxidant protection against free radical damage. This antioxidant action supports collagen integrity and helps minimize the appearance of fine lines. Additionally, it possesses anti-inflammatory properties that soothe irritated skin, strengthens the skin's natural moisture barrier, and may offer gentle exfoliation due to the presence of natural phytic acid.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4.5 – 7
0 7 14

Stability

Optimal stability for Oryza Sativa Extract, a closely related compound, is reported within a pH range of 4.5-7.0, suggesting this range as optimal for Oryza Sativa Lees Extract.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that various rice-derived ingredients, including close relatives of Oryza Sativa Lees Extract, are safe for cosmetic use. This extract generally shares a favorable safety profile, considered safe, non-comedogenic, and non-toxic for topical application, and is well-tolerated by most skin types. SkinSAFE lists it as 'Irritant Free', and EWG rates concerns like allergies and immunotoxicity as low. While no specific maximum concentration for Oryza Sativa Lees Extract has been identified, typical use concentrations for other rice extracts range from 1-2%. Patch testing is recommended for individuals with sensitive skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Oryza Sativa Lees Extract is a valuable multi-functional ingredient, leveraging its rich nutrient profile to deliver significant hydration, antioxidant protection, and complexion improvement suitable for all skin types.

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