Cotton Wool 200gHighly absorbent disposable 100% Cotton wool rolls. Made from raw cotton which has been combed to remove impurities and then bleached with a high temperature, high pressure, pure oxygen process. How to use It employed as a surgical dressing; it serves as a mechanical protection to absorb blood, mucus or pus and to keep bacteria from infecting wounds. Precautions Contraindications: Do not use if the package is damaged or the product is expired. Do not