I recently came across a product called Vanish Miracle that claims to improve the colour of the clothes. There’s even a hash tag on Instagram and the results that people have are pretty amazing. I remember that years ago there were similar products but only for white or black clothes.
How do they actually work? I understand that for whites it might be bleach, but making a yellow shirt be more yellow or a red scarf be more red seems magical. What’s the secret?
In: Chemistry
I was wondering the same thing few days ago. All these “for black”/“for coloured” detergents that claim to make blacks blacker and coloured more colourful. Also will “for coloured” make black more black too?
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