An extract obtained from domestic Houttuynia cordata (Houttuyniae herba). DOKUDAMI Liquid B has high anti-inflammatory and antioxidant effects and is suitable for cosmetics for sensitive skin. It is also expected to have the effect of protecting the skin from environmental stress by suppressing the production of the substrate-degrading enzyme MMP-1 due to cigarette smoke and air pollution. It has also been confirmed to have an anti-glycation effect.