Is Your Hair Dye Putting Your Health at Risk? The Truth About Hair Dye and Cancer
I get it—there’s nothing like a fresh color to make you feel vibrant, confident, and totally put together. But as more research surfaces about the potential health risks of conventional hair dye, it’s important to pause and ask: could your favorite shade be affecting more than just your look? Let’s explore what science says about the link between hair dye and cancer—and what safer alternatives exist for those of us who love coloring our hair.
Understanding the Concerns: What’s in Hair Dye?
Hair dyes, particularly permanent and semi-permanent ones, contain a cocktail of chemicals designed to penetrate the hair shaft and alter its pigment. While these ingredients give us long-lasting, vibrant results, some of them have raised concerns among scientists and health professionals.
Aromatic amines – Certain compounds in hair dye, like para-phenylenediamine (PPD) and 4-aminobiphenyl, have been found to be mutagenic, meaning they can cause genetic mutations.
Coal tar derivatives – Some dyes contain coal tar-based ingredients, which have been classified as potential carcinogens.
Resorcinol & ammonia – These disrupt the endocrine system, potentially interfering with hormone balance.
Repeated exposure to these chemicals—especially for those who dye their hair frequently—has led researchers to investigate whether there’s a direct link between hair dye and cancer.
What Does the Research Say?
Over the years, numerous studies have examined whether the chemicals in hair dye contribute to an increased risk of cancer. Here’s what we know so far:
Breast Cancer: A 2019 study published in the International Journal of Cancer found that women who frequently used permanent hair dye had a higher risk of developing breast cancer, particularly Black women. This suggests that factors such as genetic predisposition and increased chemical absorption may play a role.
Bladder Cancer: Earlier research indicated that hairdressers and barbers who are exposed to hair dye chemicals regularly may have a slightly increased risk of bladder cancer due to prolonged contact with certain dyes.
Non-Hodgkin’s Lymphoma & Leukemia: Some studies suggest that older hair dyes, particularly those used before the 1980s, contained stronger carcinogenic compounds that may have contributed to a higher risk of blood cancers. However, modern formulations have removed many of the most harmful ingredients.
While the evidence is still inconclusive, it’s enough to make many of us rethink our approach to hair color—especially when safer options exist.
How to Reduce Your Risk While Keeping Your Color
If you love coloring your hair but want to reduce your exposure to harmful chemicals, you’re in luck. Here are a few ways to make a safer choice:
Choose Plant-Based Dyes: Henna and indigo are natural alternatives that provide beautiful color without toxic chemicals.
Look for Low-Tox Brands: Brands like Arete, Original & Mineral, and Innersense Color Purity (all of which I use in my salon) offer ammonia-free, PPD-free, and cleaner formulas that minimize health risks.
Go for Highlights Instead of Full Coverage: Highlights involve less scalp contact, reducing the absorption of potentially harmful ingredients.
Use Protective Measures: If you must use conventional dye, wearing gloves, ensuring good ventilation, and avoiding direct scalp contact can help minimize risk.
Embrace Your Natural Hair: The ultimate low-tox choice is to love and care for your natural hair, enhancing its health and shine with nourishing treatments instead of chemical alterations.
Knowledge is Power
Hair dye is an amazing tool for self-expression, but being informed about its potential risks allows us to make healthier choices. If coloring your hair is a part of your routine, consider switching to a cleaner alternative that gives you beautiful results—without the worry.
Have you made the switch to a low-tox hair dye, or are you considering it? Let’s talk in the comments below!