General Information: INCI: Phenylethyl Resorcinol (PR)Other Names: SymWhite, PRwhiteCAS#: 85-27-8Appearance: beige powderSolubility: Soluble in oil and propylene glycolIdeal pH range: 4.0-5.0Recommended Usage: 0.1-1%Compatibility: AHAs, niacinamideTemperature Requirement: Best to keep at 45°C or below. -- It is important to know that all our ingredients are handled and kept in a temperature- and moisture-tightly controlled environment by professionals to preserve their efficacy and quality and limit contamination. What is Phenylethyl Resorcinol? Phenylethyl Resorcinol - Potent skin brightening agent Phenylethyl Resorcinol, a synthetic and stable compound, stands out with its potent inhibitory activity on tyrosinase activity, a critical enzyme in melanin synthesis. It surpasses kojic acid in strength, safety, and stability, outperforms hydroquinone in safety, and is more effective than AHAs and vitamin C for skin lightening and hyperpigmentation. Phenylethyl resorcinol, a potent skin-lightening agent, is often chosen as a safe alternative to hydroquinone without known side effects. Visible results can often be seen within just 4 weeks. It also provides antioxidant protection and anti-aging benefits. Its antioxidant power is as strong as BHT and alpha-tocopherol. Although Phenylethyl resorcinol is gentle on most skin types, sensitive skin may experience irritation, and allergic reactions have also been reported. Please do a skin test before using the products containing this ingredient. Skin Benefits: Lightens and fades dark spots and patches Lightens the skin tone Fades post-inflammatory hyperpigmentation (PIH), such as pigmentated acne marks Skin protection against oxidative stress Formulation Information: INCI: Phenylethyl Resorcinol Recommended usage: 0.1-2%; Optimal pH of the end product: 4.5 - 5.5 Add to the cool-down phase (temperature below 45°C) Soluble in oils. Sample Formula: Dark Spot Treatment Oil Serum 0.5% Phenylethyl Resorcinol 72.5% Caprylic/capric triglyceride 15% Squalane 10% Tetrahexyldecyl Ascorbate 2% Alpha-Bisabolol (oil-soluble) Warning: Like all of our ingredients, this ingredient can only be used externally at the recommended rate. We highly recommend a skin test before using products containing this ingredient.
