You should also remember that too much developer can be just as bad as not enough, so adjust accordingly based on how dark or light of a color you want. Twenty volume should not be used as a developer for toner or glazes especially when wanting to maintain a natural base. Some like the runnier consistency and easier “paintability” of a 1:2 ratio with 1 part bleach to 2 parts developer. Wella's classic Welloxon Perfect developer range is now better than ever to create the most accurate hair colour possible.

What Volume Developer Should I Use? - Bangstyle

In case you just want to lift your hair color tone a little bit, then 20 volume developer should be just enough.

The strand test from before should give you a good indication as to how long it’ll take for your hair to reach your desired shade. Preparations include pre-lightening hair, damp locks, and allergy and strand tests, which we will cover next. If you’ve recently bleached your hair (within 2-4 weeks) or feels damaged, it’s best to postpone bleaching for a while – even with 20 vol developer.

How much 20 volume developer to mix with hair color How much 20 volume developer to mix with hair color

These toners are color correctors that neutralize unwanted brassy tones in bleached or colored hair and deposit a new hue. As long as you leave it on for the right amount of time – anywhere from 10 (fine or blonde hair) to 30 minutes (coarse or dark hair) – you should be able to safely achieve up to 2 levels of lift without damaging your hair in the process. By sticking with a 2:1 ratio, you can be sure that you’ll get an even, effective blend that will lighten your hair. Massage the toner into your scalp: Toner can be an irritant, so steer clear of massaging it into your scalp.As the daughter of a long-time hair stylist and salon owner, she’s spent most of her life as a guinea pig for new color and cut techniques. Combine the recommended amounts of developer and hair dye together in a plastic bowl, mixing with a plastic spoon.

Wella Professionals Welloxon Perfect Developer | Sally Beauty

That being said, it is not strictly necessary to match the brand of developer with the brand of color or bleach. Even if you think your hair will take a lot longer to fully process, you need to start checking your hair at the 10-minute mark. Volume 20 is the most popular developer level, as it contains 6% hydrogen peroxide, which is a moderate amount.Going even one minute over the suggested processing time can be the difference between ending up with healthy, lightened hair and straw-like, damaged hair. Leave the mixture on for the recommended time before rinsing it out and seeing if you’re happy with how much it lightened your hair.