'Cold Cap' May Help Patients Undergoing Chemo Keep Their Hair

Scientists theorize the dose of extreme cold to the hair follicles prevent damage from chemotherapy.
1:48 | 09/14/15

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Transcript for 'Cold Cap' May Help Patients Undergoing Chemo Keep Their Hair
Finally tonight, it's one of the most revealing side effects as patients go through chemotherapy. Dealing with hair L (all) No. That's why I'm reminding people like you macist about yourgetting shingles. Because if you had chickenpox then the shingles virus is already inside you. (All) Oooh. Who's had chickenpox? Sc ovoot er. Me oo! T when I got shingles I had this ugly band of blisters and look that nasty rash can pop up anywhere and the pain can be even worse than it looks. So talk tomacist. We all in? (All) Yes! Good, 'cause if not we're gonna watch highlights of my career 12 hours straight. I know, talk about pain. Seriously now, talk to your doctor or pharmacist today about a vaccine that can help prevent shingles. So you a smalbusinessexpertrom AT&T Yeah, gi me a problem and I' got theolution. Well, we have 30 years I was skeptical, to tell you the truth. Reporter: But now she's one of those working to get the fda to approve the cold cap, which as this point costs thousands of dollars. While Rebecca, that project she mentioned, it's to raise funds for cancer patients who cannot pay that price. Not many women can afford it. But it's really useful. My son said to me, you know, I forget that you have cancer because you have hair. And that's great. Reporter: True, it's not a cure. But this family feels it's made a big difference. John donvan, ABC news, Washington. Thank you for watching. "Gma" first thing in the morning and David Muir will be back here tomorrow night. I'm Tom llamas in New York. Have a great evening.

This transcript has been automatically generated and may not be 100% accurate.

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