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Scientists create hair dye from Ribena blackcurrants

Scientists create hair dye from Ribena blackcurrants

Technology
Blackcurrant skins left over in the production of Ribena have been used to create a new type of hair dye. Scientists at the University of Leeds developed the new technique by extracting natural colouring from the waste skins.Colour chemist Richard Blackburn said the aim was to create a more natural alternative to existing products."Because of issues and concerns around conventional dyes, we wanted to develop biodegradable alternatives that minimise potential risks to health and offer consumers a different option," he said.Blackcurrant skins contain high concentrations of anthocyanins - pigments that provide colour to many berries, flowers, fruits and vegetables."They are non-toxic, water soluble and responsible for pink, red, purple, violet and blue colours, and are widely ...