People dye their hair to achieve all sorts of effects, from pastel purple streaks to buttery blonde strands to gray-concealing brunette tones to raven-sheen Goth. But there’s one look nobody wants — ...

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 most ...

Please provide your email address to receive an email when new articles are posted on . Often used in permanent hair dye, paraphenylenediamine (PPD) turns hair a dark color that won’t wash out over ...

Researchers have developed a range of permanent hair dyes that avoid the allergenic properties of traditional formulations. A bad dye job is bad enough on its own, but an itchy and irritating allergic ...

Because you don’t need to sacrifice salon-quality results when changing up your hair color.

A trip to the salon can be fun and exciting, but one woman's attempt to change up her hairstyle nearly cost her life. Laura Velaye looked unrecognizable after her hair transformation, for all the ...

The itching and soreness are a sign that your skin is allergic to something in the dye product. It could be the dye itself, or one of the chemicals. The only way to find out is to be properly tested ...

Hair dyes can weaken and damage hair, making it look unhealthy. However, treatments such as conditioners and specially formulated shampoos may help repair hair damage from hair dye. Dyeing the hair ...

An actress shared a picture of her face covered in red hives, after developing a new hair dye allergy following her recovery from Covid-19. Sienna Guillroy— who has appeared in Luther and several ...

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 ...