A 20 volume developer will be sufficient for coloring facial hair, especially if there are some grays mixed in.
Mixing 10 Volume developer and 40 volume developer will never make a 20 volume regardless of how much is mixed. In order to make a 20 volume, equal parts of 10 and 30 volumes will need to be mixed. Mixing 10 and 40 will make 30 volume.
20 Volume (or 6%) developer will lift hair 2 levels and 40 Volume (or 12%) will lift hair 4 levels.
Yes, if mixed equally, a 10V + 30V= 20 Volume developer.
NO. If you mix them in equal parts, that would give you 35 volume. To get 15 volume, mix equal parts of 10 and 20 volume.
40 volume developer is used for high lift shades and will lift hair 4 levels. 20 volume developer is also used for lifting but will only lift 2 levels. 20 volume is used as well when going darker or for gray coverage as it lifts and deposits at the same time.
you use 20 volume developer on gray hair
30
30 Volume Cream Developer is generally used for high-lift color, blonding, and bleaching.
Equal parts of 10V. Developer + 20V. Developer= 15 Volume Developer
20 or 30 Volume developer is recommended for blonding.
20 volume
Yes, the appropriate volume developer must be mixed with any Matrix color.
Yes, this lightener needs to be mixed with at least a 20 Volume developer.
20 volume.
Equal parts of 30 volume + 40 volume developers= 35 Volume Developer.
when you want to get 2 levels of lift
Equal parts of 5 volume developer + 15 volume will yield approximately 10 volume.