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 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 ...
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.
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 ...
Artificial melanin, a new method of hair colouring, is thought to be healthier than conventional dyes which are carcinogenic, cause allergic reactions and swelling in some people. Since melanin is ...
Many people with psoriasis can dye or color their hair with ... you’ve experienced in the past, such as allergies, rashes, or sensitivity to hair coloring products. You may be able to lessen ...