Hair developer levels refer to their oxidizing potential, or how much hydrogen peroxide they have. Most bleach and hair color formulas use developer at either 10, 20, 30 or in some cases 40. Depending on the strength of the developer it can also lift the hair color level a bit.
Should I use 20 or 30 volume developer?
For instance, if you have more than 50% gray hair, 20 volume developer is the only developer to use for 100% gray coverage and a long-lasting color. … Choose a 30 volume developer when you want a developer that is stronger for a lighter and deeper color.
Should I use a 10 or 20 developer?
3. So Which Developer Strength Should I Use? Use 10 Vol for level on level-on-level coloring and going darker. Use 20 Vol for 1-2 levels lift, for toning blonde hair and for grey hair coverage.
What does 1.5% developer do?
Ultra-creamy mix-in developer agent designed to neutralise unwanted tones and aid colour deposit on hair cortex during permanent colour process.
What is the difference between 20 and 30 developer for hair?
40% developer is a very strong lift or intensity for the color , 30% developer is a medium lift for 5 shades and is strong , 20% developer is standard lift and what most people use to dye their hair . … Twenty volume lightens your hair two levels and 30 volumes does it three levels.
How do I choose the right hair color developer?
Choose developer strength according to how many levels you need to lift. Use 20 Vol developer for 1-2 levels, 30 Vol for 2-3 levels &, 40 Vol for 3 levels. If you are going more than 3 levels lighter, you will need to use bleach first. Stick to the recommended color and developer mix rules.
What volume developer should I use for GREY hair?
We recommend you use 20 Vol developer for most grey hair coverage cases. If the hair is very very thick and resistant, or you are trying to lift the base by 2 or 3 levels, then you can use 30 Vol also.
Will 10 volume developer cover grey hair?
Grey hair tends to be resistant and typically takes longer to grab hold of the hair. Since there is no pigment, there is no need to lift. You just need to open the cuticle enough to deposit the color. If you feel you can get full coverage using a 10 or 15 volume then by all means use a lower volume.
Will a 20 Developer lighten hair?
Using 20 volume developer will lighten your hair even without bleach because of the lifting effect it has on the outermost layer of your hair (the cuticle layer). … Without bleach, 20 volume developer alone can lighten your hair by about one level.
What developer do I use for dark hair?
If you’re going darker, you should use 10 developer. 20 – 40 developer can be used to lift 1-4 levels. 20 developer is best for grey coverage. Does 30 Developer Lighten Hair?
How much developer do I mix with color?
The traditional way of mixing hair developer and hair dye is a 1:1 ratio. If you put in 100ml of hair dye, then you must put 100ml of the developer too. But if you want to lift the colors, the correct combination would be one part hair color and two parts hair developer.
What volume developer is in box dye?
Box dyes come with developer and dye packaged together, but the developer is generally only 20 volume. This means that no matter what the color is on the box, you’ll only be able to make your hair one or two shades lighter (or darker) than its natural color.
How much developer do I use for 2 oz of color?
Use ratio is two to one. For example, if you’re using 2 ounces of color, use 4 ounces of developer. 5 of 6 found this helpful.
How long can you leave 20 developer on hair?
You shouldn’t leave 20 volume developer bleach in your hair for more than 30 minutes. However, 30 minutes is a long time. Ideally, you can remove the bleach before reaching the 30-minute maximum, but the actual timeframe will depend on your natural hair color, preferred shade, and hair type.
Does 40 Developer lighten hair?
40 volume is occasionally used to lighten very dark, stubborn hair as part of the bleaching process. It lightens quickly and its effects are harsher than lower concentrations. 40 volume is not recommended for on-the-scalp use. Using 40 volume developer can cause hair damage and chemical burns if not used correctly.
What does 6 volume developer do?
The most Versatile Developer that I use!
I honestly feel like this developer can be used for almost any coloring needs (except 100% Gray coverage). It can be used to gloss, tone, blend, lighten, and refresh color.