Phenylethyl Resorcinol

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Product Overview

Phenylethyl Resorcinol (also known as 4-(1‑phenylethyl)benzene‑1,3‑diol or SymWhite 377) is a highly potent skin-lightening and antioxidant ingredient. It inhibits tyrosinase, the key enzyme in melanin production, making it a standout choice for treating hyperpigmentation and dark spots.

Product Benefits

• Superior tyrosinase inhibition—about 22 times more effective than kojic acid, delivering rapid and visible skin lightening results.
• Brightens dark spots, evens skin tone, and fades post-inflammatory hyperpigmentation.
• Provides strong antioxidant protection against free radicals and UV-induced pigmentation.
• Has antifungal activity against various dermatophytes, supporting overall skin health.

Key Ingredients

• Phenylethyl Resorcinol (INCI name: PHENYLETHYL RESORCINOL), a synthetic phenolic compound widely used as a skin brightening and stabilizing agent.

Product Specifications

• Appearance and Color: White crystalline powder
• CAS Number: 85-27-8
• Molecular Formula: C₁₄H₁₄O₂
• Molecular Weight: approximately 214.26 g/mol
• Storage: Store in a cool, dry place, protected from light to maintain stability