The secret to Leanna's healthy hair is found in her great-grandmother's formula. That formula led to her business success as well. At age 9, Leanna obtained a business license and created Leanna's, Inc., after fielding repeated requests for the homemade product. At 13, she became the youngest person to ring the New York Stock Exchange bell. Leanna has now expanded her all-natural lineup to include skin care, earning her a guest spot on The Wendy Williams Show.

Her interests go beyond beauty. A business trip to Haiti led her to create the Leanna Archer Foundation, which provides food and shelter to homeless children. With annual revenues in excess of $100,000, Leanna's company helps underwrite the foundation's mission. "If you can do something positive," she said, "then why not do it?"