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Beauty

Doctors Say These Hair Dyes Are Linked To An ‘Increased Risk Of Breast Cancer’: ‘Darker Colors Have More Ammonia’

October 28, 2025 by Mariam Qayum
shefinds | Beauty
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Many women rely on hair dye to change up their look, but a recent warning from experts is making some rethink their routine. According to Dr. Pompa, certain hair dyes—especially permanent ones in darker shades—may be linked to an “increased risk of breast cancer” due to the chemicals they contain. Read on to get all his insights.

 

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A post shared by Dr. Daniel Pompa (@drpompa)

Darker Colors Contain More Harmful Chemicals

“Fact is, hair dyes, especially the permanent hair dyes, darker colors… worse of course, have chemicals that are being linked to an increased risk of breast [cancer],” Dr. Pompa explains. The main culprits include ammonia, PPD (para-phenylenediamine), and resorcin, all of which are considered endocrine disruptors. Darker shades tend to have higher concentrations of these chemicals, making them potentially more risky.

Safer Hair Dye Options Exist

Luckily, there are alternatives. Dr. Pompa recommends looking for 100% botanical hair dyes that are ammonia-free, PPD-free, and resorcin-free. These products are available online and can help reduce chemical exposure while still giving you a fresh color.

Tips to Minimize Risk

Even with safer dyes, Dr. Pompa stresses precautions:

  • Avoid letting dye touch the scalp: “The more it touches your scalp, higher the risk. These are endocrine disruptors—avoid them best you can.”
  • Space out coloring sessions: The longer the time between treatments, the lower your risk. Monthly dye jobs increase chemical exposure and risk.
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The bottom line

Hair dye can be a fun way to switch up your look, boost confidence, and express your personal style, but it’s important to prioritize safety alongside beauty.

Choosing products that are free of harmful chemicals like ammonia, PPD, and resorcin can significantly reduce your exposure to potential endocrine disruptors.

Beyond selecting safer dyes, following best practices—such as avoiding direct contact with the scalp and spacing out coloring sessions—can further minimize risk. By taking these precautions, you can enjoy vibrant, healthy-looking hair without compromising your long-term health.

Author:

Editorial Assistant

Mariam is an Editorial Assistant and writer at SheFinds, covering everything from style and beauty to health and wellness. Splitting her time between New York and Philadelphia, she brings a sharp eye for trends and a passion for storytelling to the digital space. With a strong editorial background, she’s always exploring the latest in fashion, skincare, and wellness. When she’s not writing or pitching, you’ll find her in the kitchen experimenting with new recipes or planning her next travel adventure. You can reach Mariam at mariam@shefinds.com.

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