Bayer is the largest industrial group in Germany and one of the world's top 500 companies. On March 6, 1899, Bayer acquired the registered trademark of aspirin, which later became the most widely used and well-known pharmaceutical brand in the world, known as the "medicine of the century", and also invented the largest drug, heroin. Bayer hip cream is divided into blue tube and red tube, the former is the common type, which prevents the formation of diaper rash or eczema, and can also alleviate and cure existing diaper rash or eczema; The latter is therapeutic, focusing on stubborn eczema and treating red fart. Both are free of colourings, flavours and preservatives, are very safe and offer a mid-to-high price.