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Potent Brightening Complex with Glutamylamidoethyl Imidazole For Even-Toned Skin
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Product Description
1. MOA
Glutamylamidoethyl Imidazole is a highly specific and potent skin brightening agent that functions through a unique mechanism of action, primarily as a tyrosinase inactivation agent.
Competitive Tyrosinase Inactivation (Copper-Ion Chelation):
Unlike many other brighteners that compete with tyrosine for the enzyme's active site, Glutamylamidoethyl Imidazole directly targets the copper ions located at the catalytic core of the tyrosinase enzyme.
Its molecular structure contains imidazole and amide groups that have a strong affinity for copper ions. It forms a stable complex with these ions, effectively rendering the tyrosinase enzyme inactive.
This mechanism directly inhibits the conversion of L-tyrosine to L-DOPA and subsequently to dopaquinone, the critical first steps in the melanin synthesis pathway.
Supersedes Traditional Inhibitors: This mode of action is considered more direct and efficient than many traditional ingredients (like arbutin or kojic acid) that act as substrate analogues. By chelating copper, it "switches off" the enzyme itself.
2. In Vitro Efficacy Data
2. In Vitro Efficacy Data
In-vitro studies robustly confirm its potent biological activity.
Tyrosinase Inhibition Assay: Demonstrates exceptionally strong dose-dependent inhibition of mushroom and human tyrosinase. Its IC50 value is significantly lower than many reference standards, confirming superior efficacy.
Cellular Melanin Reduction (B16 Melanocyte Culture): Treatment with Glutamylamidoethyl Imidazole leads to a dramatic reduction in intracellular melanin content without inducing cytotoxicity, even at effective concentrations.
Anti-Glycation Activity: Shows additional benefits in inhibiting Advanced Glycation End-products (AGEs), which can contribute to aged and sallow-looking skin, thereby promoting a brighter complexion.
3. Clinical Results
3. Clinical Results
Clinical studies on formulations containing 1-3% Glutamylamidoethyl Imidazole validate its in-vivo efficacy and tolerance.
Study Design: 12-week, double-blind study with female volunteers exhibiting hyperpigmentation (solar lentigos, melasma, PIH).
Instrumental Results (Chromameter):
Skin Brightness (L value): A statistically significant increase in skin lightness was observed after 4 weeks, with continuous improvement up to 12 weeks.
Pigmentation (ITA° value): A significant improvement in the Individual Typology Angle, indicating a reduction in skin pigmentation.
Visual & Photographic Assessment:
Reduction in Spot Size & Intensity: Clinical grading showed a visible reduction in the area and darkness of age spots and post-inflammatory hyperpigmentation (PIH).
Improved Skin Clarity & Uniformity: Subjects reported a more even-toned, radiant, and clear complexion.
Excellent Tolerance: The ingredient was well-tolerated by all subjects, including those with sensitive skin, with no reports of irritation, redness, or peeling.
Safety Profile
It is a non-cytotoxic, non-irritating active specifically designed for safe, long-term use. It does not pose the risks associated with harsh inhibitors like hydroquinone.
PH Compatibility
Effective across a wide pH range (4.0 - 7.0), making it highly versatile for various formulations.
Formulation Compatibility
Synergistic with: Other brightening agents like Niacinamide, Vitamin C derivatives, Kojic Acid, Alpha-Arbutin. Using it in a multi-targeted brightening complex can yield superior results.
Compatible with: Peptides, antioxidants (Vitamin E), humectants, and standard emulsion systems.
Stability: Shows high thermal and pH stability, ensuring efficacy throughout a product's shelf life.
Compatible with: Peptides, antioxidants (Vitamin E), humectants, and standard emulsion systems.
Stability: Shows high thermal and pH stability, ensuring efficacy throughout a product's shelf life.
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Recommended Usage & Dosage
Recommended Usage Level: 1% - 3% in the final product.
Suggested Formulations:
Serums: Ideal for high-potency, targeted spot treatments or all-over brightening.
Creams & Lotions: For daily use to maintain a bright, even tone and prevent future pigmentation.
Specialized Treatments: Spot correctors for direct application on dark spots and melasma patches.
Premium Night Creams: To leverage the skin's natural overnight repair and renewal process.
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Direct & Potent Action
Uniquely inactivates tyrosinase by chelating copper ions at its active site, a highly efficient mechanism for inhibiting melanin production at the source.
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Clinically Proven Brightening
Significantly reduces the appearance of dark spots, melasma, and PIH while improving overall skin radiance and uniformity, as validated by clinical studies.
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Superior Safety Profile
Gentle and non-irritating, making it suitable for all skin types, including sensitive skin, and for long-term use—unlike hydroquinone.
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Formulation Versatility
Stable, water-soluble, and effective at a near-neutral pH, allowing for easy incorporation into a wide array of cosmetic products without complex stabilization.
Storage
Store in a closed container at a dry place at room temperature.
Animal Testing
Not animal tested
Vegan
Does not contain animal-derived components
GMO
No data available