Dyeing hair may affect health? Doctors remind: It’s best to avoid hair dyes that "feature three major benefits"; this is the safest approach.
- byVic

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Many people love to dye their hair in pursuit of beauty, but it’s important to be aware that some hair dyes may carry cancer risks, especially rapid dyes, dark colors, and permanent products. Experts recommend choosing dyes with safe ingredients and avoiding products that contain para-phenylenediamine (PPD). A skin test should be conducted before use, and it's advisable to drink plenty of water after dyeing and maintain a healthy lifestyle to reduce risks. Proper use of hair dye and paying attention to skin conditions are also very important.
Everyone loves beauty and wants to dye their hair a beautiful color, but did you know? Some hair dyes may hide cancer risks! Especially those products that claim to be fast-drying, dark-colored, and long-lasting have potentially higher risks. To achieve a beautiful yet safe hair color, it's very important to choose the right dye and the correct application method. Let's learn together how to avoid these risks!
Can hair dye cause cancer?
The association between hair dyes and cancer has been a major focus of research. Certain ingredients in hair dyes have been classified as Group 3 carcinogens, on par with coffee. Some studies suggest that prolonged exposure to hair dyes may increase the risk of certain cancers.
How to choose a hair dye?
When choosing a hair dye, pay attention to the ingredients and select a product that suits you. Experts recommend avoiding dyes that boast "fast-drying, dark color, long-lasting effect," as these dyes may contain harmful chemicals such as para-phenylenediamine (PPD). Choosing products that have a license number and complete labeling, and ensuring correct usage, are important steps to reduce risk.
How to avoid cancer risks from hair dye?
- 1. Reduce the frequency of dyeing hair; it is recommended to wait 3 to 6 months between applications and conduct a skin test beforehand to prevent allergies.
- 2. Drink plenty of water after dyeing to keep the body hydrated, which helps lower risks.
- 3. Maintain a healthy lifestyle, such as a balanced diet and adequate exercise, to reduce overall cancer risk.
- 4. Use hair dye correctly, avoiding contact with the scalp whenever possible, and monitor the condition of the skin after dyeing to prevent risks.