How to use semi-permanent hair color on previously colored hair

Written by chelsea hoffman Google
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How to use semi-permanent hair color on previously colored hair
Colouring over previously dyed hair is achievable at home. (natural blond hair. image by mdb from

Previously coloured hair proves difficult to cover up, especially with semi-permanent and temporary colours. Fortunately, there are ways to achieve the cover-up you want. Knowing how to use semi-permanent dyes over pre-coloured, processed hair allows you to experiment with different hair colours that don't last as long as permanent dyes. Whether you want a punky, over-the-top colour or something that simply covers your roots and persistent grey hairs, semi-permanent hair colour does the trick when used correctly.

Skill level:

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Things you need

  • 40 volume hair developer, 227gr.
  • Hair lightener powder, 113gr.
  • 2 plastic hair applicator bottles
  • Semi-permanent hair dye cream or gel, 113gr.
  • Rubber gloves
  • Wide-toothed comb
  • Large "alligator" hair clip

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  1. 1

    Fill an 236ml. hair applicator bottle with 113gr. of the 40 volume hair developer cream.

  2. 2

    Hold the pouch of hair lightener powder away from your face and shake the packet. This forces the ultra-fine powder to the bottom of the pouch so you can open it safely. Tear open the package, holding it away from your face.

  3. 3

    Empty the contents of the pouch into the bottle containing the cream developer. Secure the lid tightly and shake it for about 1 minute, or until the powder completely disperses throughout the solution.

  4. 4

    Comb through your hair to remove knots and tangles. Separate your hair into four smaller sections.

  5. 5

    Apply the hair lightening cream to your hair, saturating through to the ends of your hair. Do not rub the cream into your scalp. Let the cream sit on your hair for 25 to 40 minutes, depending on the degree of lightening you want to achieve. This hair dye remover lifts the processed hair dye from your previously coloured hair, leaving a blank canvas for the semi-permanent colour.

  6. 6

    Rinse your hair thoroughly with warm water until the water running from your hair is clear with no traces of colour. Dry your hair thoroughly.

  7. 7

    Add 113gr. of developer cream to the second 236ml. hair applicator bottle.

  8. 8

    Add the semi-permanent hair colour of your choice to the applicator bottle. Secure the lid and shake the bottle vigorously until it's well mixed.

  9. 9

    Comb out knots and tangles. Separate your hair into four sections.

  10. 10

    Apply the semi-permanent hair dye to your hair, working from your tips to your roots. Make sure to fully saturate your hair. If you have very long hair, you may need to reapply another 236ml. of the solution, mixing as needed. Depending on the brand of semi-permanent dye, you'll need to leave it on your hair for 25 to 40 minutes before rinsing out.

Tips and warnings

  • Condition and style as usual.

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