Hair dyes can be an exciting way to refresh your look, but understanding their risks ensures you make informed beauty choices ...

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 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 ...

Dyes are applied to human and synthetic hair extensions to create a variety of colours, enhancing their appeal to ...

are safe to use. In the meantime it would be best for you to avoid hair dyes, but if this is going to be really difficult, then test the product on a small area of skin at least two days before ...

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.

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

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 ...