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Quick question how long do you let it sit there before doing the dye?
Mix with 20 or 30 Volume Cream.
If you mix them in equal parts, you now have 25 volume developer.
Equal parts of 30V + 40V= 35V.
If mixed equally, you will get 30 Volume.
Quick question how long do you let it sit there before doing the dye?
20 or 30 Volume developer is recommended for blonding.
Mix with 20 or 30 Volume Cream.
Equal parts of 10 & 30 V. developer will yield 20 v.
If you mix them in equal parts, you now have 25 volume developer.
Equal parts of 30V + 40V= 35V.
If mixed equally, you will get 30 Volume.
Mixing equal parts of 20 V. and 40 V. developers will give you an approximate 30 volume developer.
Mixing equal parts of 20 V. and 40 V. developers will give you an approximate 30 volume developer.
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.
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.
Equal parts of 30 volume + 40 volume developers= 35 Volume Developer.