It merely applies pigment to the outside shaft of the hair, as opposed to permanent and semi-permanent dyes. This makes it ...

Let's check out the best semi-permanent hair colours in 2025. Our recommended picks offer vibrant and fade-resistant shades with easy application.

‘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 ...

Using permanent hair dye is recommended for covering gray hair, while semi-permanent can add an extra tone to your natural color without the appearance of root regrowth. While permanent hair color ...

[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.