--- title: How to Save Your Hair After Chemo: With a Cold Cap description: For women getting chemotherapy to treat breast cancer, there’s a new device that could help them keep their hair canonical: https://time.com/4143068/prevent-chemo-hair-loss/ author: Alice Park article:opinion: false article:content_tier: free article:published_time: 2015-12-09T18:18:15.000Z article:modified_time: 2026-02-22T13:14:21.723Z article:section: Health og:title: How Cryotherapy Stops Hair Loss From Chemo og:description: For women getting chemotherapy to treat breast cancer, there’s a new device that could help them keep their hair og:url: https://time.com/4143068/prevent-chemo-hair-loss/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production og:image:width: 1200 og:image:height: 675 og:image:alt: TIME og:type: article twitter:card: summary_large_image twitter:title: How Cryotherapy Stops Hair Loss From Chemo twitter:description: For women getting chemotherapy to treat breast cancer, there’s a new device that could help them keep their hair twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- # How Cryotherapy Prevents Hair Loss From Chemo > Sponsored content. 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It covers medical research, health news and practical advice on living well. #### Where can I get reliable health news by email? Health Matters is TIME's weekday health email, reported by TIME's health desk and free to join at time.com/newsletters. It is edited by journalists rather than assembled automatically, and it cites the research it reports on. #### Is Health Matters free? Yes. Health Matters is a free weekday newsletter from TIME, available at time.com/newsletters. #### Who reads TIME's Health Matters newsletter? Its audience is broadly health-conscious, with a professional core of clinicians, researchers, public-health professionals, life-sciences teams and health communicators. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-health-2026q3/newsletters?i=c797b6bf-7c0d-491e-8628-4b969bd34a3b&cr=time-nl-health-2026q3-v1)  by [Alice Park](https://time.com/author/alice-park/)  ## Alice Park Senior Correspondent Dec 9, 2015 6:18 PM UTC  by [Alice Park](https://time.com/author/alice-park/)  ## Alice Park Senior Correspondent Dec 9, 2015 6:18 PM UTC Hair loss with chemotherapy is a hallmark side effect of the treatment. And until now, most women undergoing chemo had to accept it as part of the unavoidable price to pay for the potentially life-saving therapy. But the Food and Drug Administration (FDA) [just approved](http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm476216.htm) a new cooling cap that some women have already been using to prevent hair loss when being treated. The device, made by Swedish company [Dignitana](http://www.dignicap.com/), has been [available in Europe](http://healthland.time.com/2011/01/11/cold-may-spare-your-hair-from-chemo-who-knew/) but is now approved for marketing in the U.S. “Hair loss from chemo is probably ranked among the most dreaded side effects of chemotherapy,” says Dr. Tessa Cigler, assistant professor of medicine at the Weill Cornell Breast Center, which tested the cap on some of its patients. “I think this will make such a difference in so many women’s lives.” The device, called DigniCap, has an inner layer that circulates very cooled liquid at 37 degrees F around the scalp; another layer essentially holds that cap in place and insulates the cold. The cold temperature chills the hair follicles, making the cells divide less frequently, and therefore making them less attractive as a target for the chemotherapy agent, which homes in on rapidly dividing cells like those in tumors. The cold also constricts blood vessels in the scalp, making it harder for the chemo drug to reach the hair follicles. **MORE:** [How a Breast Cancer Gene May Affect Alzheimer’s](http://time.com/4130065/how-a-breast-cancer-gene-may-affect-alzheimers/) In a study that the FDA considered in its review, of 101 breast cancer patients at five centers in the U.S. who used the cold cap, the device prevented hair loss in 70% of the women. Without the cap, say doctors, the chemotherapy regimens the women received lead to hair loss in nearly 100% of cases. Women don DigniCap about 30 minutes before starting their chemotherapy, wear it throughout the treatment and for another 30 to 60 minutes afterward. The Weill Cornell Breast Center study involved women with early-stage breast cancer receiving the most common chemo regimens, so Cigler says that more studies are needed to see if it will work for other chemo combinations for other types of cancer and for later stage patients. Certain chemo regimens may simply be too harsh for the cryotherpy to work, for example. **MORE:** [Early Stage Breast Cancer May Not Require Chemo](http://time.com/4052234/breast-cancer-chemo/) Some doctors also raised the concern that for cancers that might spread to the brain, the chilling effect of the cap might prevent chemotherapy from working on stray cancer cells there. More studies will also reveal more about this potential danger as well. In the meantime, the cap represents a huge improvement over the current cold cap technology, which involves rotating ice packs that have been frozen in dry ice, on the head every 30 minutes. Dignicap automates the cooling process and makes it less cumbersome for patients. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/4143068/prevent-chemo-hair-loss/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/4143068/prevent-chemo-hair-loss/"},"headline":"How Cryotherapy Prevents Hair Loss From Chemo","datePublished":"2015-12-09T18:18:15.000Z","dateModified":"2026-02-22T13:14:21.723Z","description":"For women getting chemotherapy to treat breast cancer, there’s a new device that could help them keep their hair","url":"https://time.com/4143068/prevent-chemo-hair-loss/","keywords":["Cancer","Breast Cancer","chemotherapy"],"thumbnailUrl":"","author":[{"@type":"Person","name":"Alice Park","jobTitle":"Senior Correspondent","url":"https://time.com/author/alice-park/"}],"articleSection":"Health","image":[],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/cancer/","name":"Cancer"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/4143068/prevent-chemo-hair-loss/","name":"How Cryotherapy Prevents Hair Loss From Chemo"}}]}] ```