• Question: Can you permanently straighten your hair

    Asked by Sciencelove to Anna, Hayley, Iain, Rebecca on 16 Jun 2015. This question was also asked by guineapigs&me.
    • Photo: Rebecca Jones

      Rebecca Jones answered on 16 Jun 2015:


      Yes you can, it’s called chemical straightening. Your hair is made up of keratin, a protein which has strong sulphide bonds and how curly your hair is depends on how many of these bonds you have. Chemical straightening breaks these bonds and resets them into a straighter order, straightening your hair.

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