Back to Ingredient Dictionary

POLYGONUM CUSPIDATUM EXTRACT

Description

Polygonum cuspidatum extract, derived from Japanese knotweed, is a potent skincare ingredient known for its high concentration of resveratrol, a powerful antioxidant. This botanical extract has gained significant attention in the dermatological community for its multi-faceted benefits to skin health and appearance.

The extract's primary active component, resveratrol, offers robust protection against free radical damage and oxidative stress, which are major contributors to premature skin aging. It has been shown to inhibit the breakdown of collagen and elastin, helping to maintain skin firmness and elasticity. Additionally, Polygonum cuspidatum extract demonstrates anti-inflammatory properties, making it beneficial for soothing irritated skin and potentially reducing redness associated with various skin conditions.

Research indicates that this extract may also have skin-brightening effects by inhibiting tyrosinase activity, thus potentially reducing hyperpigmentation and promoting a more even skin tone. Its ability to enhance cellular renewal and stimulate the production of hyaluronic acid contributes to improved skin hydration and overall skin barrier function. These properties make Polygonum cuspidatum extract a valuable ingredient in anti-aging formulations, as well as in products designed to address uneven skin tone and texture.