Kwang Tze solution better known as China Brush, is a natural blend of botanicals. This product has been in use in Asia for years to prolong erections and to increase sexual activity and vitality. The active ingredient is Korean Ginseng; it is safe to use and has a slight cinnamon scent. When applied, it will postpone ejaculation for up to 30 minutes. Contents: Garro Wood, Bezoar, Clove, Korean Ginseng, Cinnamon.