Hair Dye Risk: January Jones Says Hair Loss Due to Frequent Dying

Tanya Rivero on hair loss caused by beauty treatment, including January Jones of 'Mad Men'
3:03 | 01/28/13

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Transcript for Hair Dye Risk: January Jones Says Hair Loss Due to Frequent Dying
At any rate, we're going to move on to "mad men" and january jones. She is revealing her hair is falling out in big clumps. She says it's from coloring it so much. It's not just a danger for stars but for anybody who dyes their hair. And abc's tanya rivero has the story. Reporter: She's best known for playing don draper's perfectly coifed ex-wife, betty on "mad men." But now 35-year-old actress january jones says looks can be deceiving when it comes to hair. She says her hair is falling out in clumping. Adding, she should just shave it and wear a wig. Jones believes as it's from changing her hair color so much over the last year. Went blonde to red, back to blonde, brunette. Many hairstylists warn against accessive coloring. The chemicals used can result in breakage and hair loss. Reporter: Genetics and certain medical conditions like thyroid disease play major rolls in female hair loss. But for celebs who have to present ever-changing looks to the world, overprocessing can be troublesome. Take the case of kelly osbourne, who has seemingly experienced every hair color under the sun. Three years ago, admitted to getting bald patches after a hair colorist forget about her in the chair. Lady gaga, a natural brunette, has discussed the difficulties of maintaining her signature brat numblonde look. Telling "people" magazine, she must occasionally get a chemical hair cut because my blonde hair is faulg out. My advice would be to make sure you're use thing the right product for what you're doing. Highlights or covering gray. And make sure you are conditioning enough. Reporter: For "good morning america," tanya rivero, abc news, new york. We were just talking about this. I'm not sure -- I'd like to know any viewers have opinions on this. If you have blonde hair or brunette hair. I think blonde hair is supposed to be more delicate. I think it is. If you have fine hair, it will take processing different than coarse hair. We talked about having fine hair on the set. You're just fine people. It's fine. Just fine. I hope all of -- I'm going to be gray and bald. Wash out my gray if I know it's going to fall out in clumps. George is out of this conversation. Right? I don't know. I think it's fantastic. My hair all there. She is beautiful. Yeah. You ready for this story? Yeah. I don't know. You'll find out.

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

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