‘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 ...

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.

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 ...

But, a new study raises questions about the potential health risks linked to permanent hair dyes and chemical straighteners. Scientists at the National Institutes of Health (NIH) have found that ...