CUSTOM SHADES: Mix with any Crazy Color Semi-Permanent or Power Pigment Drops to create your own soft pastel hair tones. GLOSSY TREATMENT: Works as a gloss treatment, delivering a shiny, vibrant finish on coloured hair. Can be used as a stand alone product to add shine to the hair. PASTELISER: Use Shade Shifter as a base to dilute bold hues or invent new colours with your chosen ratio. DIY FROM HOME: Simply blend in a bowl with your colour of choice and apply as you would your semi-permanent dye. VEGAN & MADE IN UK: All our formulas are made in the UK. We never test on animals, all our Crazy Color products are PETA-approved, 100% vegan and cruelty-free.