Called "Kao" in China, it is an extract derived from the root sheath of Paeonia suffruticosa, which has been cultivated as an ornamental and medicinal plant for a long time. In Chinese medicine, it is used as a sedative, analgesic, and blood-thinning drug for headaches and irregular menstruation. BOTANPI Liquid E is highly effective in anti-inflammatory, whitening, antioxidant, blood flow promotion, hair growth effect, and can be widely used as a raw material for various functional cosmetics.