Tag: hair

The Chemistry of Permanent Hair Dye Colours

The Chemistry of Permanent Hair Dyes

The Chemistry of Permanent Hair Dye Colours

Today, hair dyes are widely used, either to cover up grey hairs, or simply by those wanting to change their natural hair colour. The chemistry behind how they change the colour of hair can actually get pretty complicated, but this graphic tries to boil it down to the key classes of chemicals involved, and an overview of the process that produces the dye molecules.

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