Beyonce Knowles, Tina Knowles, Michael Bloomberg and Karen M. Carpenter-Palumbo attend the unveiling of the Beyonce Cosmetology Center on March 5, 2010 in New York City. Beyonce Cosmetology Center will offer a seven-month cosmetology training course for adult men and women. As BeyoncĂ© is a spokesperson for L’Oreal Paris, the company is generously providing all makeup, skin care, and hair care products.