Cosmetic Active Ingredients

4-(1-Phenylethyl)benzene-1,3-diol

  • CAS No.85-27-8
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 4-(1-Phenylethyl)benzene-1,3-diol is a potent tyrosinase inhibitor used in advanced cosmetic formulations for effective skin brightening and antioxidant protection.

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Product Technical Details

Product Overview

4-(1-Phenylethyl)benzene-1,3-diol, widely recognized in the professional industry as Symwhite 377 or Phenylethyl Resorcinol, represents a significant advancement in modern cosmetic active ingredients. This sophisticated organic compound is engineered to serve as a potent tyrosinase inhibitor, offering superior efficacy in skin brightening formulations without the safety concerns associated with older technologies. Unlike traditional agents, this molecule provides a balanced profile of high performance and regulatory compliance, making it a preferred choice for skincare manufacturers seeking effective and safe solutions for consumers.

Our manufacturing process ensures exceptional purity levels, typically exceeding 99.0% assay. The compound appears as a fine white powder, facilitating easy integration into various emulsion systems. Rigorous quality control measures are implemented at every stage of production, from raw material sourcing to final packaging, guaranteeing consistency across batches. Each shipment is accompanied by a comprehensive Certificate of Analysis (COA), verifying critical parameters such as specific rotation, loss on drying, and heavy metal content to ensure product integrity.

Technical Specifications

ParameterValue
CAS Number85-27-8
Molecular FormulaC14H14O2
Molecular Weight214.26
AppearanceWhite Powder
Assay99.0% Min
Loss on Drying0.20% Max
Heavy Metals10ppm Max
Specific Rotation+39.5 to +41.5 deg

Mechanism of Action

The primary function of 4-(1-Phenylethyl)benzene-1,3-diol lies in its ability to interrupt the melanin synthesis pathway at the enzymatic level. By inhibiting tyrosinase activity, it effectively reduces the production of pigment responsible for skin darkening and uneven tone. Clinical data suggests its efficacy is significantly higher than many conventional whitening agents, providing visible results in reducing hyperpigmentation caused by UV exposure. Furthermore, the molecule exhibits strong antioxidant properties, neutralizing free radicals that contribute to premature aging and oxidative stress, thereby supporting overall skin health and vitality.

Industrial Applications

This active ingredient is versatile and suitable for a wide range of personal care products. It is commonly formulated into serums, creams, lotions, and essences designed for whitening, freckle reduction, and anti-aging purposes. Due to its lipophilic nature, it integrates well into oil phases of emulsions. For optimal stability and absorption, advanced delivery systems such as nano-carriers may be employed to enhance bioavailability. Manufacturers value this ingredient for its ability to deliver fast-acting results while maintaining consumer safety standards and regulatory compliance across global markets.

Storage and Handling

To maintain optimal quality, the product should be stored in a cool, dry, and well-ventilated area. Containers must remain tightly closed to prevent exposure to moisture and air, which could lead to oxidation and discoloration. Standard industrial safety protocols should be followed during handling to ensure workplace safety. We offer flexible packaging options, including 25kg drums, customized to meet specific logistical requirements for global distribution. Contact our technical team for detailed formulation guides and stability data.