Keep hair dyes out of the reach of children. Towle KM, Grespin ME, Monnot AD. And hair products contain more than 5,000 chemicals, including some with properties that may disrupt hormones and cause genetic mutations. Approximately 60% of the participants who reported using straighteners in the previous year were self-identified Black women, according to the study published in the Journal of the National Cancer Institute. Procter & Gamble voluntarily recalled 32 aerosol dry shampoos and conditioners Friday after the company detected the cancer-causing chemical benzene in them. However, in the paper they note that several chemicals that have been found in straighteners (such as parabens, bisphenol A, metals, and formaldehyde) could be contributing to the increased uterine cancer risk observed. at the National Institutes of Health, An official website of the United States government, Hair Dyes, Other Hair Products, and Cancer Risk, https://publications.iarc.fr/_publications/media/download/2958/04f67887be058cb7ae62b10572bf41e37643b15c.pdf, U.S. Food and Drug Administration page: Hair Dyes, U.S. Food and Drug Administration page: Hair-Smoothing Products That Release Formaldehyde When Heated, U.S. Department of Health and Human Services, In another large casecontrol study, Ghanaian women who had ever used these products were 1.6 times as likely as nonusers to develop breast cancer (, A nationwide prospective study of Black women found evidence that heavy users of lye-containing hair relaxers were more likely to develop. Featured: Have cancer and want to quit smoking? But findings from other human studies on the association between hair dyes and straighteners and cancer have been inconsistent. The study, which included data from 33,497 U.S. women over the course of 11 years, found that women who used chemical straighteners were more than twice as likely to develop uterine cancer than those who did not. Takkouche B, Etminan M, Montes-Martinez A. Small amounts of benzene can form in drinks that contain both vitamin C and benzoate salts, which may be added as a preservative or found naturally in fruits like cranberries. Treatments used to straighten or relax hair contain a mixture of chemicals. Personal use of permanent hair dyes and cancer risk and mortality in US women: Prospective cohort study. Zhang Y, Birmann BM, Han J, et al. Cite Permissions Share Issue Section: News Does using chemical hair care products, particularly among women, increase the risk of developing cancer? In the case of permitted digital reproduction, please credit the National Cancer Institute as the source and link to the original NCI product using the original product's title; e.g., Hair Dyes, Other Hair Products, and Cancer Risk was originally published by the National Cancer Institute.. For example, some studies have found an increased risk of certain types of non-Hodgkin lymphoma (but not others) in women who use hair dyes, especially if they began use before 1980 and/or use darker colors. Do not dye your hair if your scalp is irritated, sunburned, or damaged. AILSA. Chemical hair treatments that would once last her hair shop only a couple of weeks now sit much longer as fewer of her clients go for the permed look. Leukemias and lymphomas:Studies looking at a possible link between personal hair dye use and the risk of blood-related cancers such as leukemia and lymphoma have had mixed results. International Agency for Research on Cancer. Breast cancer:Results of studies looking at a possible link between personal hair dye use and breast cancer have been mixed. They generally last for 1 to 2 washings. Billions of dollars are spent on hair care products and services every year in the U.S. alone. Earlier this week, a disturbing report came out showing that permanent hair dye is heavily associated with cancer risk. Turesky RJ, Freeman JP, Holland RD, et al. A review of all Procter & Gamble aerosol products turned up unexpected levels of benzene in the propellant used in some aerosol products, the company said. Personal permanent hair dye use is not associated with bladder cancer risk: Evidence from a casecontrol study. McCarthy's comments come on the same day that Trump for the first time is favored in a hypothetical election rematch against President Biden, per one new poll. About the National Institutes of Health (NIH): Although the association between straighteners and uterine cancer in the aforementioned study did not differ by race, the association was more pronounced in Black women: despite making up only 7.4 percent of the study population, 60 percent of the participants who had used chemical straighteners were Black women. doi.org/10.1016/S0143-7208(98)00075-8. Carcinogenesis. "The United States FDA regulates cosmetic products, including shampoo and hair dyes, but does not test these products to prove that they are safe," Johnson-Arbor said. Wait at least 14 days after bleaching, relaxing, or perming your hair before using dye. For example, a study in 2018 found that products marketed at Black women contained higher levels of parabens and phthalates (both known endocrine disruptors) when compared to those marketed at white women. Procter & Gamble has recalled more than 30 aerosol spray haircare products, including many dry shampoos and dry conditioners, warning that the products could contain benzene, a cancer-causing agent. In the mid to late 70s, scientists found chemicals in hair dye that caused cancer in animals. A majority of those who report using these products are Black women. Are Tanning Pills and Other Tanning Products Safe? However, many other products with detectable levels of benzene are still on supermarket shelves. Use of permanent hair dyes and bladder cancer risk. The products recalled included items under the Pantene, Herbal Essences, Old Spice, Hair Food, Aussie and Waterless brands. Researchers have been studying a possible link between hair dye use and cancer for many years. The campaign's Non-Toxic Black Beauty Project is specifically aimed at Black women and provides a database of non-toxic Black-owned beauty products. Why is there concern that hair dyes may cause cancer? A 2010 meta-analysis of 42 studies found that the longer someone had worked as a hairdresser, the more likely they were to have developed bladder cancer. Women who use . (SOUNDBITE OF CHANTAY SAVAGE SONG, "I WILL SURVIVE"). A full list can be found on the FDA's website. Get counterintuitive, surprising, and impactful stories delivered to your inbox every Thursday. Hair dye use and risk of bladder cancer in the New England bladder cancer study. In fact, many studies classify personal hair dye use based on whether it took place before or after 1980. The golden rule of self-compassion: Treat yourself with the same kindness you treat others. "I would say that Black women are more at risk of exposure to chemicals found in personal care products, particularly our hair products, than other groups," Llanos said. In October, Unilever issued a voluntary recall of 19 dry shampoo products due to possible benzene contamination, following a similar recall by Procter & Gamble in December. There are 3 main types of hair dyes: Most of the concern about cancer risk has been with the semi-permanent and permanent dyes. WHITE: We know that certain formulations of straighteners can release formaldehyde when heated. The study was published Wednesday in the International Journal of Cancer. Genetic Counselors Of Color Tackle Racial, Ethnic Disparities In Health Care, Distrust Of Health Care System May Keep Black Men Away From Prostate Cancer Research. Several national and international agencies study substances in the environment to determine if they can cause cancer. CNN reporter on. Hair dyes and straighteners contain chemicals that are being studied for their health effects. What Does the American Cancer Society Recommend About Body Weight? Occupational and Environmental Medicine 2010; 67(5):351358. Over the 11-year study, 378 cases of uterine cancer were diagnosed. {currentyear} American Cancer Society, Inc. All rights reserved. How Are People Exposed to X-rays and Gamma Rays? For women who used hair straightening or relaxing chemicals regularly, breast cancer risk increased 31%. What Happens During Genetic Testing for Cancer Risk? Many studies have not found an increase in risk, although some more recent studies have. Chemical Research in Toxicology 2022; 35(6):901915. We connect patients, caregivers, and family members with valuable services and resources. Frequent users of relaxers, defined as those who used chemical straighteners or relaxers more than four times in the past year, were more than twice as likely to develop uterine cancer compared to . NIH, the nation's medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. Adolescent use of hair dyes, straighteners and perms in relation to breast cancer risk. But, while glossy, blow-dried hair might look. Other cancers:For other types of cancer, too few studies have been done to be able to draw any firm conclusions. "Toxic chemicals in hair products are quite common," Adana Llanos, a professor in cancer and molecular epidemiology at Columbia University's Irving Medical Center, told Newsweek. "To limit your exposure to benzene and/or if you are concerned about exposure to carcinogenic chemicals in hair products, use hair sprays and other aerosol productslike dry shampooin well-ventilated areas and use the products as sparingly as possible.". Heres the information you always needed. Unilever has recalled certain Dove, Nexxus, Suave, TIGI and TRESemm aerosol dry shampoos because of the potential presence of benzene, a chemical that can cause cancer. 2016. "It is for certain that obesity, consuming too many calories and lack of exercise is a risk factor for breast cancer, a definite risk factor," he says, while the findings of this study only add up to a "perhaps" when it comes to risk. >Women who used chemical hair straightening products were at higher risk for uterine cancer compared to women who did not report using these products, according to a new study from the National Institutes of Health. Environmental Research 2022; 203:111863. This large, prospective study provides firmer evidence of a link. WISE: The research project analyzed data from tens of thousands of sisters to women with a breast cancer diagnosis. Deaths from hematopoietic and other cancers in relation to permanent hair dye use in a large prospective cohort study. We estimated that 1.64% of women who never used hair straighteners would go on to develop uterine cancer by the age of 70; but for frequent users, that risk goes up to 4.05%, said Alexandra White, Ph.D., head of the NIEHS Environment and Cancer Epidemiology group and lead author on the new study. Personal use of hair dye and the risk of certain subtypes of non-Hodgkin lymphoma. praetorianphoto/ Getty Images. The FDA allows up to 2 ppm of benzene to be present in pharmaceutical preparations if the use of benzene is unavoidable. Che-Jung Chang, Katie M. OBrien, Alexander P. Keil, Symielle A. Gaston, Chandra L. Jackson, Dale P. Sandler, Alexandra J. That study found no increased risk in recent decades, suggesting that professional use of modern hair dyes, which no longer contain aromatic amines, may not be associated with bladder cancer risk (8). The authoritative record of NPRs programming is the audio record. US Department of Health and Human Services. When the authors analyzed the data by racial group, they found that among non-Hispanic White women, hair dye users were 1.07 times as likely to develop breast cancer as non users, and among Black women users were 1.45 times as likely to develop breast cancer as nonusers (17). For example, long-term clinical trials with a control group and placebo would be more definitive, but this type of study "would be difficult if not impossible to do.". One of its major goals is to identify causes of cancer. Pay attention to all Caution and Warning statements. Among women who use these products, often called perms or relaxers, the risk of developing uterine cancer more than doubled. Key Facts. Do you have a question about hair products? So far, most studies have not found a strong link between hair dye use and cancer, but more research is needed to help clarify this issue. Not enough is known about hair dye use during pregnancy to know for sure if this is a problem, but doctors might recommend this just to be safe. Chemical Hair Straighteners Are Associated With Cancer, New Research Reveals. 2021 Feb 4;16(2):e0243792. Instead, they include colored compounds that stain hair directly. All rights reserved. The first line of evidence to suggest that hair dyes may cause cancer came from animal studies performed on mice and rats, where . Some studies (1012) found no association, whereas others found an association in specific subgroups of users (1315). Dense breasts are a risk factor for breast cancer. Do X-rays and Gamma Rays Cause Health Problems Other than Cancer? The company said in a release Friday on the website of the Food and Drug Administration that it began a full review of its aerosol products after "recent reports that indicated traces of benzene.". 2022;128(6):1260-1266. Koutros S, Silverman DT, Baris D, et al. Some studies have found that individuals who apply permanent hair dye themselves at home have a higher breast cancer risk than those who have it applied by a professional (17, 18). Personal use of hair dye and the risk of certain subtypes of non-Hodgkin lymphoma. Some of the recalled Procter & Gamble products. Many of the concerns about hair dyes possibly causing cancer have focused on people who work with them. Carcinogenesis 2017; 38(9):883892. The other types of hair dyes, known as semi-permanent and temporary hair dyes, do not involve such chemical reactions. For example, a large US cohort study that included mostly White women reported an increased risk of breast cancer overall, and of hormone receptornegative breast cancers, with increasing exposure to hair dye (12). Hair dye products include close to 5,000 chemicals, including some that might cause cancer. Llanos AAM, Rabkin A, Bandera EV, et al. Health News Cancer-Causing Chemical Found in 98 Shampoos and Soaps Nearly 100 personal care products are in violation of a California law requiring that consumers be warned about the presence. Oct. 17, 2022, 2:41 PM PDT By Char Adams Women using chemical hair-straightening products are at a higher risk of uterine cancer than women who reported not using them, a new study by the. However, it has classified some chemicals that are or were used in hair dyes as reasonably anticipated to be human carcinogens., (For more information on the classification systems used by these agencies, see Determining if Something Is a Carcinogen andKnown and Probable Human Carcinogens.). Many studies have examined possible associations between hair dye use and breast cancer, with mixed and inconsistent results. New research raises concern about the safety of permanent hair dye and chemical hair straighteners, especially among African American women. Chang C, et al., Use of Straighteners and Other Hair Products and Incident Uterine Cancer, JNCI: Journal of the National Cancer Institute, October 17 2022, https://doi.org/10.1093/jnci/djac165, White AJ, et al., Use of hair products in relation to ovarian cancer risk, Carcinogenesis, June 26 2021, https://doi.org/10.1093/carcin/bgab056, Helm J, et al., Measurement of endocrine disrupting and asthma-associated chemicals in hair products used by Black women, Environmental Research, August 2018, https://doi.org/10.1016/j.envres.2018.03.030, Scranton A, Beauty and the Beast, Women's Voices for the Earth, November 2014, Takkouche B, Regueira-Mndez C, Montes-Martnez A. Zhang Y, Birmann BM, Han J, et al. Annals of Epidemiology 2014; 24(2):151159. In addition, a large cohort study found no association between ever use of hair dye and the risk of leukemia but very slightly increased risks of basal cell carcinoma (particularly in women with naturally light hair) and ovarian cancer (12). However, studies looking at people who have their hair dyed have not found a consistent increase in bladder cancer risk. JAMA2005; 293(20):25162525. Procter & Gamble has issued a voluntary recall of nearly three dozen aerosol hair products after benzene was found in them. The study found that 74 percent of black women had used chemical straighteners as opposed to 3 percent of white women. Hair-straightening chemical products linked to increased uterine cancer risk in new study By Jacqueline Howard, CNN Updated 1:32 PM EDT, Tue October 18, 2022 Link Copied! When it comes to cosmetics, chemical safety standards in the U.S. are less strict than in other places such as the European Union. More research is needed to confirm these findings in different populations, to determine if hair products contribute to health disparities in uterine cancer, and to identify the specific chemicals that may be increasing the risk of cancers in women.. Some Johnson & Johnson sunscreen products were also pulled from shelves in July after the chemical was detected.Benzene is used in the manufacture of many products, including dyes, detergents and plastics, and very small amounts of the chemical do not pose an acute risk to health. Rinse your scalp thoroughly with water after use. The American Cancer Society looks to these organizations to evaluate the risks based on the available evidence. For more information on NIEHS or environmental health topics, visit https://www.niehs.nih.govor subscribe to a news list. In 2010, a report from the International Agency for Research on Cancer (IARC) concluded that some of the chemicals professional hairdressers are exposed to are probably carcinogenic to humans (6). He L, Michailidou F, Gahlon HL, Zeng W. Hair dye ingredients and potential health risks from exposure to hair dyeing. Emerging evidence suggests that there are associations between hair product use and prostate cancer risk as well.".
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