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Ingredient directory

Oryza Sativa Germ Extract

Oryza Sativa Germ Extract, derived from rice, is a multifunctional ingredient rich in antioxidants and nourishing compounds. It is precisely formulated to enhance skin's protective barrier, deliver deep hydration, and promote a visibly brighter, more even complexion.

Directory entry · Individual source review pending

This profile is awaiting an individual source review. Treat its ratings, dose estimates and compatibility labels as provisional; they are not medical advice or proof of a finished product’s effects.

Antioxidant Skin-conditioning agent Moisturizing Soothing Anti-aging Brightening

Science

Mechanism of Action

This extract operates through several key pathways. Its abundant antioxidant profile, including ferulic acid, gamma-oryzanol, and various vitamins, effectively neutralizes free radicals, safeguarding skin from environmental aggressors and UV-induced oxidative stress. It supports skin's natural moisture retention by supplying essential lipids, fatty acids, and amino acids, crucial for a robust barrier function. Beyond hydration, it actively soothes inflammation, and its B vitamin and amino acid content stimulates collagen synthesis, contributing to improved elasticity. A significant benefit is its targeted action against hyperpigmentation, achieved by inhibiting tyrosinase activity and reducing melanin overproduction via compounds like phytic acid and phenolic acids. Furthermore, phytic acid offers gentle enzymatic exfoliation for refined skin texture.

Research

Clinical Evidence

Medium confidence
Effective range 0.32–2%
Optimal

0.32%

Key findings

  1. 01 In vitro studies utilizing an aqueous extract of rice callus, closely related to germ extract, demonstrated 85% inhibition of melanin biosynthesis.
  2. 02 An ethanolic extract of rice callus, closely related to germ extract, achieved 68% inhibition of melanin biosynthesis.

Transparency

Dusting Analysis

Not commonly dusted

Specific data regarding 'dusting' properties or thresholds for Oryza Sativa Germ Extract are not available within the provided research. This phenomenon is typically associated with active ingredients used at very low concentrations.

The Formula

Formulation

Solubility
Water
Optimal pH 4.5 – 7
0 7 14

Stability

The extract maintains optimal stability and efficacy within a pH range of 4.5 to 7.0, ensuring compatibility with a wide array of cosmetic formulations.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
2%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed the safety of Oryza Sativa Germ Extract, alongside other rice-derived ingredients, for use in cosmetics. While generally well-tolerated and suitable for sensitive skin with a low risk of allergic reactions, individuals with diagnosed rice allergies should exercise caution. Concentrations for related rice bran extracts have been observed up to 2%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Oryza Sativa Germ Extract is a valuable, well-tolerated ingredient offering comprehensive benefits from antioxidant protection and hydration to significant brightening effects and gentle exfoliation.

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