Wella Blondor Lightening Powder is your essential bleach/lightening tool!
If there is contact with the scalp and to preserve the health of your hair, mix with a 20 Volume Developer as a maximum. Always apply a damage treatment after bleaching!
Mix the Blondor lightener with developer to a icing/yoghurty consistency. (click here to open the developer page in a new window).
20 Vol: Gentle enough for on scalp application. 2-4 levels of lift.
30 Vol: 3-5 levels of lift.
40 Vol: Not recommended.