Chemicals in hair dyes may cause allergies for some people. Around 38% of people who color their hair report having an allergic reaction to hair dye. The most common allergic reaction to hair dye ...

Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...

The most common allergic reactions to hair dye chemicals are dermatitis of the eyes, ears, scalp and face, which may include a rash, extreme swelling and a severe burning sensation on the scalp.

While Mehendi is a popular natural hair dye and conditioner, it's crucial to be mindful of its potential side effects.

The Minnesota Department of Health (MDH) is warning against use of henna products that contain additives to create “temporary tattoos.” Materials that are sometimes added to henna can cause ...

A new lawsuit claims that a hairstylist developed bladder cancer from working with a dye chemical for decades. The answer: quite possibly. Even more intriguing, the dye itself is harmless—but its ...

The company has been making paraphenylenediamine-free claims on a range of products containing the PPD-related chemical ...

We tested the best black hair dyes that don't fade and these are the ones to buy, including permanent and semi-permanent ...

The vast majority of reactions to hair-dye products are caused by PPD. [4–6] In past years, PPD was used in permanent hair dyes but not in semipermanent dyes. More recently, PPD has been used in ...