Who is the spokes lady in the supersmile toothpaste infomercial?

The spokesperson for the Supersmile toothpaste infomercial is Dr. Irwin Smigel, who is often featured prominently in promoting the product. He is a well-known dentist recognized for his expertise in cosmetic dentistry. The infomercial typically highlights the benefits of Supersmile products in achieving a brighter smile.