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 ...

Using mehendi frequently for hair coloring can lead to excessive dryness, hair thinning, allergic reactions, and difficulty ...

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.

Usage of hair dye frequently causes the hair to lose its moisture which leads to hair breakage and split ends, making the hair weaker.

One says, “So far, I am very impressed. I purchased the blue black. I have hair dye allergies so I was really apprehensive to try this, but I was pleasantly surprised. There is no odor at all so ...

This natural dye is effective for covering gray hair, but you might need to repeat the process to achieve the desired shade. Perform an allergy test to rule out any adverse reactions and ...

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 ...

Frequent hair colouring can cause significant hair damage, scalp irritation, and hair thinning due to harsh chemicals. It is linked to long-term health issues and environmental concerns.