
Resveratrol is a natural polyphenol that is widely found in natural plants and fruits such as grapes, pine trees, Japanese knotweed and peanuts. More than 98% of natural resveratrol can be extracted from Japanese knotweed, which has antioxidant and whitening effects in cosmetics.
Resveratrol, chemical name 3, 4', 5-trihydroxystilbene, belongs to non-flavonoid polyphenol compounds. It is a plant defensin produced by plants (mainly seed plants) when they encounter adverse conditions such as fungal infection and ultraviolet radiation, and it protects the plants themselves. Natural resveratrol is extracted from Polygonum cuspidatum and grapes. High-content resveratrol is extracted from the roots and rhizomes of Polygonum cuspidatum. It mainly exists in the Polygonum cuspidatum plant in the form of Polygonum dasyside. The extracted resveratrol exceeds 98% and is a white powder. It has antioxidant, whitening and anti-inflammatory effects when added to cosmetics.
Resveratrol can capture free radicals, react with them in a self-sacrificing form, and reduce the damage to the skin caused by free radicals generated by ultraviolet rays.
Tyrosine is the raw material for melanocytes to synthesize melanin. Since the molecular structure of resveratrol is similar to tyrosinase, it can confuse tyrosinase to react with it, thereby reducing the activity of the enzyme by consuming tyrosinase, making it unable to catalyze the conversion of tyrosine into melanin, thereby achieving the effect of whitening.
Resveratrol can also activate the STRT1 enzyme activity of various transcription factors related to life and prolong the cell life cycle. (This is the theoretical basis for resveratrol's anti-aging in health products).

98%

50%-98%

70%, 80% Centella asiatica total glucosides

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