Up your hair game with the colour experts from BLEACH LONDON. TNeutralises yellow tones and transforms bleached blonde hair to a cool blonde shade. White light white heat. Whether you want to test the waters with something new or fancy a quick at-home barnet change, this semi-permanent colour is your new best friend. Easy-to-use and fuss free, this colour develops in 30 minutes Results are dependent on your hair colour, type and length, but will mostly likely last one to ten washes. This colour feels conditioning on the hair and is both cruelty-free and vegan-friendly. However, be sure to always conduct a patch test and strand test before applying a full head of colour.