The 43-year-old has become an equity partner in a rising company called Living Proof, reported Daily Star.
The former "Friends" star has invested in the firm and will become the face of the brand. She will also be involved in the creation of new products and package design.
"I have been approached many, many times about this kind of deal. You want to be part of something that's exciting and authentic. You can't get more interesting than these scientists. I was fascinated by the scientific approach," she said.