developer

Can I dilute 30Vol developer into 20 vol or 10 vol using distilled water? I’m going to use blonde me bleach, I only have 30 vol developer in 30% and want to use 10 and 20

Is it possible to use Majirel and a 9 vol (2.7%) developer for refreshing mid-length and ends (same level or darker)? I'm asking as I'm trying to move over to loreal, from a brand that used 1 colour tube, that you changed your developer from 20/30vol (for permanent) to a 10 vol for demi or a...

Hello All I have a client who has pretty dark Asian hair (level 2) there's a bit of prexisting colour on the ends. I picked up the igora fashion lights in /89, to do a red belayage. The only issue I'm having is that my local Sally's is out of the dedicated 40 vol Igora Oil developer and it's...

My client wants to be silver. I just picked up the Kenra 8sm and 10sm. I’m just wondering can I use redken 10 vol with those?

Hi, I’m still currently a student...almost graduating !!! Yayyy I have a friend coming over to get some highlights through her hair. I love Wella toners so far and the rusk shine enhancing balancing lotion. I was wondering if anyone has tried using it as a developer for Wella toners yet ? I’m...