Trans-Resveratrol

Trans-Resveratrol

High-purity polyphenolic antioxidant for advanced cosmetic formulations

INCI Name: Resveratrol (Trans-Resveratrol)

Botanical Source: Polygonum cuspidatum (Japanese Knotweed) Root Extract

Extraction Type: Plant-derived, purified to ≥98% trans-resveratrol

Appearance: Off-white fine powder

Solubility: Soluble in ethanol, propanediol, glycols, and select esters, not soluble in water.

Usage Rate: 0.1% – 2%

Function: Antioxidant, anti-aging support, brightening support, environmental defense

This ingredient is naturally sourced from the root of Japanese Knotweed, a botanical rich in polyphenols. The extract is purified to its bioactive trans-resveratrol isomer, providing a highly stable and potent antioxidant suitable for professional cosmetic formulations.

Benefits

• Strong Antioxidant Protection: Helps protect skin from oxidative stress associated with UV exposure and pollution.
• Anti-Aging Support: Helps improve the appearance of fine lines, firmness, and overall skin vitality when used consistently in a suitable base.
• Brightening Support: Contributes to improved radiance and more even-looking tone, especially when combined with niacinamide or vitamin C derivatives.
• Redness & Comfort: Can be incorporated into formulas intended for stressed or environmentally exposed skin.
• Synergistic Activity: Integrates well into antioxidant systems with ferulic acid, vitamin E, and other polyphenols.

Usage Guidelines

• Add during the cool-down phase (< 40 °C) to help maintain stability.
• Pre-dissolve in ethanol, propanediol, or a suitable glycol / ester blend before incorporation.
• Recommended final formula pH: 4.5 – 6.0.
• Suitable for emulsions, serums, boosters, essences, and concentrated treatment products.
• Use light-protective or opaque packaging and limit air exposure to help minimize oxidation.

Common Applications

• Anti-aging serums & boosters
• Brightening essences & toners
• Day & night creams
• Pollution-defense moisturizers
• Eye-area products
• Ampoules, treatment drops, and repair concentrates

Documents

• COA
• SDS