Kutcher is the father of two young children with actress Mila Kunis.
Kutcher, 39, also testified that Thorn can help identify and rescue trafficking victims.
In emotional testimony before the Senate Foreign Relations Committee, Kutcher described one young victim in Asia.
“I’ve seen video content of a child that’s the same age as mine being raped by an American man who was a sex tourist in Cambodia, and this child was so conditioned to her environment that she thought she was engaging in play.”
He said while the digital age has enabled sex trafficking it can also help end it.
"It's not just my job, it's my duty to the global community. Everyone has the right to pursue happiness," Kutcher later posted to Facebook in explaining why he testifed at the hearing..