Complex sentence: Later, in the 1990s, she was model/spokesperson for Hemorid brand hemorrhoid cream; some time later she did commercials for Preparation H, another hemorrhoid cream, and Monistat yeast infection ointment.
Split into simpler sentences: Later, in the 1990s, she was model/spokesperson for Hemorid brand hemorrhoid cream. She later did commercials for Preparation H, another hemorrhoid cream, and Monistat yeast infection ointment.