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 ...

Isabelle Lowe had dyed her hair several times in the past and never experienced a reaction, but that all changed when she used an at-home box dye.

Isabelle Lowe had dyed her hair several times in the past and never experienced a reaction, but in September that all changed ...

Move over, chemical dyes: Cold brew coffee hair tints are the latest trend for natural beauty enthusiasts. This method uses ...

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 ...

A 50-year-old man was just trying to look younger for his 38-year-old wife when he decided to dye his graying beard — but he ended up suffering a severe allergic reaction that sent him to the ...

The itching and soreness are a sign that your skin is allergic to something in the ... In the meantime it would be best for you to avoid hair dyes, but if this is going to be really difficult ...

Indigo powder is a natural hair dye with a long history of use, but it can cause allergic reactions in sensitive individuals. Those with dry, flaky scalps should avoid it, as it may worsen their ...

The only way to find out exactly what you are allergic to is to try out a tiny amount of different sorts of dye, with and without bleach, on a small section of your scalp, and see if your skin reacts.

Hair dyes contain chemicals that in rare cases can cause severe, even life-threatening, allergic reactions. Hair dye manufacturers say they are not intended for anyone under the age of 16.

A TikToker's attempt to dye her hair backfired when one side of her head swelled up so badly she had to go to hospital, Buzzfeed reported. Ellison told Buzzfeed she had been dying her own hair for ...