Undecylenoyl Phenylalanine

The Advanced Signal Blocker and Whitening Potency Amplifier

Undecylenoyl Phenylalanine is a powerful cosmetic-grade active that acts as a primary signal blocker for melanogenesis. By specifically targeting the alpha-MSH (Melanocyte Stimulating Hormone) receptor, it serves as an essential “potency amplifier” for brightening formulations, effectively addressing stubborn dark spots and persistent hyperpigmentation.

CAS No.

175357-18-3

Source

High-Purity Cosmetic Synthesis

Appearance Color

White to Off-white Powder

Key Parameter

Purity ≥ 98.0%

Solubility

Oil-Soluble / Alcohol-Soluble

Shaanxi Huatai Bio-fine Chemical Co. provides a premium, cosmetic-grade Undecylenoyl Phenylalanine designed for high-performance brightening systems. Our unique selling proposition lies in its role as a biological signal antagonist, which prevents the “start signal” of melanin production before it even reaches the enzyme stage. Unlike traditional inhibitors, our 98% purity powder acts as a formula amplifier, significantly enhancing the overall efficacy of a product when combined with other actives to tackle the most stubborn, deep-seated discoloration.

1. Product Overview & Key Specifications

Undecylenoyl Phenylalanine is a lipoamino acid that functions as a sophisticated skin tone regulator. It is highly regarded in the cosmetic industry for its ability to provide a more uniform complexion by interrupting the hormonal cues that trigger pigmentation.

2. Technical Highlights & Critical Parameters

Our material is refined to ensure maximum compatibility with modern cosmetic oil phases and emulsifiers.

  • Purity: ≥ 98.0%

  • Melting Point: 105.0°C – 115.0°C

  • Heavy Metals: < 10 ppm

  • Acid Value: 140 – 165 mg KOH/g

3. Mechanism of Action (MoA)

  • Alpha-MSH Antagonism: It acts as an antagonist for the MC1 receptor on melanocytes, effectively blocking the signal from Alpha-Melanocyte Stimulating Hormone.

  • Upstream Regulation: By interrupting the process at the signaling stage, it prevents the activation of tyrosinase, leading to a comprehensive reduction in melanin synthesis.

4. Core Advantages & Market USPs

  • Formula Potentiator: Dramatically increases the visible results of whitening formulas when used as a co-active.

  • Targets Stubborn Spots: Specifically effective against age spots and sun-induced hyperpigmentation that resists standard treatments.

  • Excellent Skin Affinity: Being a lipoamino acid, it possesses high biological compatibility and penetrates the skin efficiently.

5. Formulation Guidelines

  • Recommended Usage: 1.0% – 2.0%.

  • Processing: Best added to the oil phase; requires heating to approximately 80°C to ensure full dissolution.

  • pH Stability: Optimal stability in finished formulations with a pH of 5.0 – 7.0.

6. Quality Assurance & Regulatory Confidence

Our manufacturing facility is ISO 9001/22000 and HALAL certified. We provide a comprehensive technical dossier, including COA and MSDS, to ensure our cosmetic-grade raw materials comply with international safety standards.

7. Recommended Synergistic Combinations

  1. Undecylenoyl Phenylalanine + Niacinamide: A classic synergy that blocks both the production signal and the subsequent transfer of melanin.

  2. Undecylenoyl Phenylalanine + Alpha Arbutin: Combines signal blocking with direct enzyme inhibition for multi-level brightening.

  3. Undecylenoyl Phenylalanine + Glabridin: For high-end formulations targeting luxury “all-clear” skin results.

8. Typical Applications & Success Stories

This ingredient is a staple in “Intensive Brightening Serums” and “Anti-Spot Day Creams”. Many brands have successfully marketed “7-day radiance” claims by incorporating our Undecylenoyl Phenylalanine as the core signal-blocking technology.

9. Scientific Evidence & Literature Support

In-vivo studies demonstrate that Undecylenoyl Phenylalanine significantly outperforms traditional agents in reducing the intensity of dark spots when applied consistently over a 6 to 8-week period. Internal lab trials confirm its superior ability to lighten the skin tone by inhibiting hormone-induced melanogenesis.


Partner with the High-Purity Undecylenoyl Phenylalanine Supplier of Choice.

🔒 Get Your Technical Dossier: Access TDS, MSDS, COA and Safety Reports.

🔬 Apply for a Free Sample: Test our superior purity in your lab today.

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Shaanxi Huatai Bio-Fine Chemicals Co., Ltd. is a specialized manufacturer of advanced Functional Skincare Ingredients, providing scalable wholesale solutions for global beauty brands. We offer high-purity bulk supplies of Glabridin (brightening), Licochalcone A (anti-acne), Totarol, and Dipotassium Glycyrrhizinate. With tailored concentrations (1%–99%) and comprehensive OEM capabilities, our ISO 9001/22000 and COSMOS certified facilities guarantee premium cosmetic-grade quality for every wholesale order.

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