SymWhite® 377 Powder (Phenylethyl Resorcinol)

Unlock the Secret to Radiant, Even-Toned Skin.

Transform your DIY skincare formulations with the ultimate "Queen of Brightening Agents"—SymWhite® 377. This high-purity, white crystalline powder is a potent, nature-inspired tyrosinase inhibitor derived from Scotch Pine bark, designed to significantly reduce melanin production, fade stubborn dark spots, and brighten the overall complexion. 

Advantages of SymWhite 377

• Superior Brightening: Studies show it is over 100 times more efficient at skin lightening than Kojic Acid.

• Fast-Acting Results: Noticeable improvement in skin brightness and a reduction in hyperpigmentation in as little as 14–28 days of consistent use.

• Potent Antioxidant: Protects skin from UV-induced discoloration and free radical damage.

• Safe & Gentle: High efficacy at low dosages with less irritation compared to other brightening agents, making it suitable for most skin types. 

Key Benefits

• Targets Hyper-pigmentation: Effectively treats dark spots, age spots, and uneven skin tone.

• Anti-Aging Action: Protects against environmental damage that causes premature aging.

• Versatile Application: Ideal for creams, serums, lotions, and masks.

• Reduces Dark Hair: Helps reduce the appearance of dark, unwanted facial or underarm hair. 

Formulation Guidelines

• CAS NUM: 85-27-8

• INCI Name: Phenylethyl Resorcinol

• Recommended Dosage: 0.1% – 1.0% (0.5% is generally recommended for optimal effectiveness in leave-on products).

• Solubility: Oil-soluble (soluble in oil or Propylene Glycol).

• pH Stability: Best formulated at a pH of 3.5 – 5.0.

• Handling: Highly sensitive to heat. Mix in the last step of formulation, ensuring the temperature is below 40°C–50°C.

• Compatibility: Compatible with Vitamin C, Niacinamide, and other whitening actives. 

📋 Product Specifications

• Appearance: White to off-white fine powder.

• Grade: Cosmetic Grade.

• Purity: 99%.

• Storage: Store in an airtight container in a cool, dark place (refrigeration recommended). 

DISCLAIMER:

For external use only. Our products are intended for use as cosmetic raw materials and should be handled by trained professionals following standard safety protocols. This product makes no therapeutic claims and is not intended to diagnose, treat, cure, or prevent any disease/health conditions. We strongly recommend consulting a qualified formulator or health practitioner for specific applications.

Notice for USA & EU Customers

PAYMENT

We offer two transparent pricing structures based on your location. Please select price based on your location (Outside USA or Within USA). Price differences reflect mandatory regional Tariff and Duty compliance.

             USA Only: Tariff/Duties Included in Price (No surprise fees at Delivery)

🌏             Outside USA: Tariff/Duties Not Included in Price (Buyer handles Local Duties at

                   purchase/delivery)

(i) U.S. Customers: You must select the "USA ONLY" location/price. To comply with mandatory U.S. government regulations, all import duties must be paid upfront. “USA ONLY” option includes all required tariffs in the item price so to ensure your order is processed promptly. Please note that orders with mismatched shipping locations cannot be fulfilled.

(ii) Select the “Outside USA” option if ordering from any location outside the United States. This price excludes regional Tariffs and Duties. The buyer is responsible for settling any local import fees at the time of purchase or upon delivery.

(iii) EU Customers: Please select “Outside USA” price option. Your item price excludes local VAT and taxes, but mandatory EU duties are calculated and included directly in your shipping cost. This prepaid structure ensures compliance with the EU flat duty rate and international carrier mandates, expedites customs clearance, and guarantees zero unexpected fees upon arrival.

 

SHIPPING:

Our shipping rates are among the most economical available to all destinations, with no additional handling fees. We provide a reliable delivery experience featuring combined shipping and comprehensive tracking to ensure your order arrives securely and on schedule.

• Shipping to the USA: By including mandatory duties in the item price rather than the shipping fee, we offer our lowest possible base shipping rates to the U.S. This ensures you pay the true cost of transport without extra markups on the delivery service itself.

• Shipping to the EU: By including the mandatory EU flat duty in the shipping cost, we ensure you pay a single duty per item without being double-charged for the same product.

See Our full Shipping Policy HERE →