She's already a model for Guerlain, and now Hilary Swank has signed with Pantene. She'll be promoting Pantene Beautiful Lengths, a campaign that encourages people to grow, cut and donate their hair to create wigs for women who've lost their hair due to cancer. But her involvement goes beyond appearing in print PSAs; she'll be growing and donating her hair, too.

In a statement, Swank commented on how cancer has touched her life:

"I have lost multiple family members to cancer and witnessed their struggle firsthand. I've never heard of anything quite like Pantene Beautiful Lengths, and I'm proud to be asked to promote the goals of such a unique and heartfelt program... I just hope that my contribution will help to inspire others to get involved in whatever way they can."

Talk about the kindest cut! I already thought Hilary Swank was a tremendous actress, but now I have even more respect for her. Growing her hair and donating it is a relatively small gesture, but it's one that will make a huge difference for one woman. Have you ever grown your hair to donate it?