How to Lighten Hair
Step 4: You're ready to Colour!
Mix your Colour and Developer to activate.
Tip
Ensure you have enough Colour mixture to properly cover your Hair.
How much Colour will I need?
![](http://www.myhdhair.com/cdn/shop/t/241/assets/Colour_Developer_600_Light.jpg?v=90924148047924310321737068626)
Short Hair / Colouring Regrowth
1 x Permanent Hair Colour.
1 x Developer.
![](http://www.myhdhair.com/cdn/shop/t/241/assets/Colour_Developer_600_LightDouble.jpg?v=178014281210958349101737068627)
Long Hair / Thick Hair
2 x Permanent Hair Colour.
2 x Developer.
Mixing Ratios
![](http://www.myhdhair.com/cdn/shop/t/241/assets/Darken_Lighten_Regular_Colours.jpg?v=165571198322373701651737068663)
Regular Colours
1 part Hair Colour
with
1.5 parts Developer
eg. 1 Tube of Hair Colour with 1 Bottle of Developer.
![](http://www.myhdhair.com/cdn/shop/t/241/assets/Darken_Lighten_Highlift_Colours.jpg?v=29688743081225726951737068663)
High Lift Blondes
1 part Hair Colour
with
2 parts Developer
eg. 1 Tube of Hair Colour with 120mls of Developer.