The best at-home hair color brands for professional results and to cover gray, including permanent and semi-permanent dye for ...

It merely applies pigment to the outside shaft of the hair, as opposed to permanent and semi-permanent dyes. This makes it possible for the colour to be effortlessly removed with shampoo ...

The main concern related to oxidative permanent colouring is the risk of irritation and allergic reactions. Hair dye residues ...

This includes its latest launch, which might just be its smartest to date. ‘No Bleach London’ is a range of seven box dyes that create permanent colour changes with absolutely no bleach whatsoever, ...

Yet it is a little premature to make any recommendation about stopping the use of permanent hair dyes.' 'However, this is one of the largest and most comprehensive studies ever conducted on the ...

Fancy a change of hair colour? These semi-permanent hair dyes are perfect for switching up your look, without the commitment. You can do it at home, you don’t need to worry about re-growth and ...

[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 permanent, demipermanent, and semipermanent hair-dye products.

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 ...