Discover Wella Professionals Blondor Multiblonde powder, for Multiple Blonde results: Our hairdresser's favourite product, best seller within the Blondor range. For controlled and reliable lightening up to 7 levels of lift, even on pre-coloured hair, Blondor Multiblonde powder is suitable for all lightening techniques. It contains anti-yellow molecules, to help reduce orange/yellow undertones during lightening.