Shiso Facial Serumwith Centella, Banana flower and Shiso Extracts Promotes elasticity of the skin, resulting in a decrease in wrinkles, and enhances skin radiance. Centella Asiatica extract stimulates the synthesis of collagen and rebuilds the skins network. Banana flower extract stimulates the production of collagen and soothes the skin. Shiso extract moisturizes and helps protect the skin from premature aging. 82. 4% of the volunteers' skin elasticity improved by 13.