‘No Bleach London’ is a range of seven box dyes that create permanent colour changes with absolutely no bleach whatsoever, thus minimising the damage to your hair without forgoing vibrancy and ...

While permanent dyes penetrate the hair shaft and make it more porous, semi-permanent dyes cover the outer layer of the hair ...

It's safe to colour or bleach your hair in pregnancy, but follow the product instructions to the letter NHS guidance states that chemicals in permanent and semi-permanent hair dyes, including those ...