Divide hair into four sections and secure. Mix up the bleach. Take thin slices of hair and paint on the bleach. Coat every strand. Perform a scrape test to check hair has lightened enough. Wash out the bleach. Alongside your bleach kit, you will need a mixing bowl and tint brush, crocodile clips, an old t-shirt or bleach-proof towel.

Warnings: This product is only for use on healthy, undamaged virgin hair. Do not use on hair that has ever: Been bleached, high-lift tinted or colour restored. Been dyed with temporary, semi-permanent or permanent hair dye, or henna. Been chemically straightened, keratin straightened, relaxed or permed. Bleach will damage your hair and make it feel dry. How to prepare: You must carry out a strand test on your hair before using bleach to check your hair's condition and how it will look and feel after lightening. Do not lighten your hair if the strand test feels damaged or you don’t like how it feels. See test guide here. Read all instructions that come with your product before use. Check out our bleach, tone and colour guides here The final shade can be influenced by many factors including: current colour, condition, porosity, length and thickness of hair as well as any previous treatments.