Polygonum Cuspidatum Bark Extract (Resveratrol Powder) is a natural polyphenol antioxidant derived from Japanese Knotweed (Polygonum Cuspidatum). It is known for its anti-aging, anti-inflammatory, and skin-protective properties. Resveratrol helps neutralize free radicals, reduce oxidative stress, and promote collagen production, making it an excellent ingredient for anti-aging, brightening, and protective skincare formulations.
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