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Velvet Digest

What does 30 volume developer do?

Author

Mia Phillips

Updated on April 25, 2026

Use 30 Volume Developer 30 volume developer allows you to lighten the hair while coloring by two or three levels, and allows more pigment to embed into the hair shaft. If your hair is not very damaged and you want a lighter and more long-lasting color, 30 volume developer can be a great option.

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Moreover, should I use 20 or 30 volume developer?

The 30 volume developer also works like 20 volume, but it will lighten the hair's original color by two to three and is more efficient when the desired color is no more than two levels lighter than the original color. You can use 40 volume developer when you want to achieve a medium to dark blonde.

Also, should I use 30 or 40 developer? Choose a 30 volume developer when you want a developer that is stronger for a lighter and deeper color. The 40 volume developer is the strongest and has the potential to produce significant changes. It will lift your hair four shades and is suitable for blondes, especially high-lift colors.

Also question is, can I use 30 volume developer to lighten my hair?

Because 30 volume developer cannot bring effectively to lighten your hair by only itself. It just makes your hair a little lighter than your natural color hair. Hence, in order to get the full effect, 30 volume developer should be combined with bleach powder or dye powder to lighten your hair fastest.

What does 40 volume developer do?

40 volume developer is used to lift color of the hair 3-4 different levels. If your hair is not light enough yet, then you would want to re-bleach the hair until you get the desired level and then, again, use a toner. With fine hair, you do not want to use anything more than a 20 volume developer.

Related Question Answers

What happens if you use 30 developer instead of 20?

Never use any developer over 30 volume when you are lightening your hair as the strength of the chemical can be too strong and cause burns if it touches your scalp. Thirty volume developers are typically used on dark hair, while lower volumes of developer, such as 10 and 20, are used for naturally lighter hair.

How many levels will 20 volume lift?

20 Volume (6%) Developer A common strength also with permanent hair colors, but it lifts the hair color level by 1-2 levels. A Volume 20 developer is usually the most common strength and has the best effect when a hair's starting level is not more than 1 shade darker than the color you wish to achieve.

Is 30 Developer bad for your hair?

Using too high of a volume developer can result in unnecessary lightening and major damage to the hair. Never use any developer over 30 volume when you are lightening your hair as the strength of the chemical can be too strong and cause burns if it touches your scalp.

What happens if you put too much developer in hair dye?

If you put in too much developer, you will be lightening the hair but not depositing enough hair dye and the color won't last. For high lift colors, the correct mix is 1 part hair dye to 2 parts developer. For toners, the correct mix is also 1 part toner to 2 parts developer.

Can 20 volume developer lighten hair by itself?

When mixed with bleach powder, 20 volume developer will lighten virgin hair by about 5 levels. Using 40 volume developer can cause hair damage and chemical burns if not used correctly. Instead, using multiple applications using lower volume peroxide will allow more controlled lightening.

What happens if you just put developer in your hair?

Developer alone will lighten your hair, but it won't lighten it very much. Developer is stable because it's acidic. Adding developer to alkaline haircolor triggers the decomposition of the hydrogen peroxide. That's what lightens the hair.

Can I mix 20 and 30 vol developer?

You can mix 20 and 30 volume developer. The 20 volume developer has the power to lighten your hair 1 to 2 shades while 30 volume developer will shift your hair 3 to 4 shades. However, you should never use anything stronger than 30 volume developer at home. Box dyes usually come with 20 volume developer.

What does 20 volume developer do?

The 20 volume developer opens the hair cuticle but unlike 10 volume, it provides lifting of the hair by one to two levels. It will lift your hair four shades and is suitable for blondes, especially high-lift colors. You can use 40 volume developer when you want to achieve a medium to dark blonde.

How long do you leave 30 developer in your hair?

30 minutes

How long do I leave developer in my hair?

20 to 30 minutes

Will 20 volume developer lighten hair without bleach?

When mixed with bleach powder, 20 volume developer will lighten virgin hair by about 5 levels. Using 40 volume developer can cause hair damage and chemical burns if not used correctly. Instead, using multiple applications using lower volume peroxide will allow more controlled lightening.

How long should I leave 30 volume bleach?

Work quickly as 30 volume developer will lighten your hair in a short period of time. Leave the product in your hair for up to 30 minutes. Rinse the developer and bleach from your hair when it has reached your desired level of lightness.

Can you tone your hair with 30 volume?

Wella T18 is meant to be used with Wella's 20 volume developer. Using 30 volume developer will lift a bit much and could leave some violet tones from the T18 also, depending on the condition of the hair after the bleaching can become gummy matted or require a filler.

What volume developer should I use for dark hair?

If your hair is darker, you might want to use 30 or 40 volume developer. The hot pink will not take very well to your hair if it hasn't been bleached much lighter beforehand. Be cautious, the stronger the developer, the more likely it is that your hair will have some damage.

How long can you leave 20 volume bleach in your hair?

30 Minutes

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.

Does 20 Developer damage your hair?

It can have a lightening effect on natural, undyed hair of 1 or 2 shades when used with permanent colour. When mixed with bleach powder, 20 volume developer will lighten virgin hair by about 5 levels. Using 40 volume developer can cause hair damage and chemical burns if not used correctly.

Can I lighten my hair with 40 developer only?

A 40-volume developer lifts the hair color by almost 4 levels. This specific developer contains hydrogen peroxide which is normally referred to as bleach in salons[1]. There isn't a definite guarantee that a 40-volume developer cream will bring your hair color to a medium brown shade but it will definitely lighten it.

What is the difference between 40 volume bleach and 30?

30 Volume Developer (30V / 9% peroxide) will lift the hair up to 3 levels higher and is commonly used with lightener. 40 Volume Developer (40V / 12% peroxide) will lift the hair up to 4 levels. It is often used with lightener or high-lift blondes. Some high-lift colors even require double-40V for extra lift.