Should I use 20 or 30 volume developer?
For example, if you have more than 50% gray hair, 20 volume developer is the only developer to use for 100% gray coverage and long lasting color. … Choose the 30 volume developer if you want a stronger developer for lighter, deeper colors.
Can I mix 20 and 30 vol developer?
Yes, you can mix 20 and 30 volume developer if your hair is dry or damaged to lighten it or apply a lighter color. By mixing 20 volume developers and 30 volumes, you will get 25 volume developers. It will be less aggressive than a 30-volume, but more powerful than a 20-volume.
What is the difference between 20 and 30 volume developer?
20 volume developer is intended to lift hair 1-2 levels. 30 volume developers lift hair three levels, and 40 volume developers lift four levels.
Will a 20 Developer lighten hair?
Does 20 volume developer lighten your hair? The developer by itself has a slight lightening effect on your hair. If you use a volume 20 developer, you will lighten your hair by one level. However, if you want to lighten it in two or more shades, you’ll need to mix it with some whitening powder.
How long should I leave 30 developer in my hair?
You should leave the 30 volume bleach on your hair for no more than 15 to 30 minutes. The exact amount of time depends on your natural hair color and the results you want. For example, if you have brown hair and want to lighten it up a bit, fifteen minutes might be enough.
How long can you leave 20 developer on hair?
You should not leave 20 volume bleach developer in your hair for more than 30 minutes. However, 30 minutes is a long time. Ideally, you can remove the bleach before it reaches a maximum of 30 minutes, but the actual length of time will depend on your natural hair color, preferred color, and hair type.
What is the difference between 20 30 and 40 developer?
The developer is an active creme for liquid dyes and creme dyes. … 40% developer is very strong lift or intensity for color, 30% developer is medium lift for 5 colors and strong, 20% developer is standard lift and what most people use to dye their hair.
Is 30 vol developer safe?
Thirty volumes should not be used to color just the base deposit as it will blow up the cuticle for no reason. When used with bleach and foil, volume 30 works quickly and can pose a risk of overprocessing. This developer is more ideal for open air processing which incubates less heat.
Can I bleach my hair twice with 30 developer?
You can whiten it multiple times over time or twice in one sitting. To do it in one sitting, bleach the first time at volume 40 and watch. This will likely stop at level 6 or 7. Then wash off the bleach, blow dry your hair and then bleach a second time at 30 volumes.
What happens if you leave developer in your hair too long?
Not only does the color go off after 30 minutes, but your scalp may start to feel irritated if you leave it on any longer.
Can you use 30 volume toner?
You cannot mix toner with 30 volume developer. And the reason is simple. If you use a toner with a 30 volume developer, you will lighten your hair unevenly and you will not get the color you are looking for. You should use a toner with 20 volume developer and it is also very important to use a high quality developer.
What does 30 developer do to hair?
The 30-volume developer allows you to lighten your hair when coloring by two or three levels, and allows more pigment to be applied to the hair shaft. If your hair is less damaged and you want a lighter, longer lasting color, 30 volume developer can be a good choice.
Can I use 30 volume developer to lighten my hair?
Never use more than 30 volumes of developer when you lighten your hair as the chemicals can be too strong and cause burns if they touch your scalp. Thirty volume builders are typically used on darker hair, while lower volume builders, such as 10 and 20, are used for naturally lighter hair.
What happens if you use hair dye without developer?
If you use hair dye without developer then you are wasting your money and time. The coloring pigment will not reach the hair scalp. As a result, you will not be able to dye your hair properly. This dye will wash off quickly from your hair and you won’t even get the desired result.
What strength developer do I need?
Choose developer power according to how many levels you need to raise. Use developer 20 Vol for 1-2 levels, 30 Vol for 2-3 levels & 40 Vols for 3 levels. If you are going more than 3 shades lighter, you will need to use bleach first.