How Long To Leave Bleach Hair in 30 Vol: The Answers & What To Do

Damaged hair because of bleaching in wrong ways
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Dyeing your hair in light color is not an unusual act nowadays. Before having your hair dyed, you will need to bleach your hair. Bleach and developer are usually mixed together. The mixture will be applied on your hair before you get your hair dyed. How long to leave bleach hair in 30 vol? Wholesale Hair Vendors prepared the right answer for you via this article.

How Long To Leave Bleach Hair In 30 Vol?

You can leave your bleach hair in 30 Vol from 15 to 30 minutes. The time depends on your goal and your current hair color. 

But remember not to leave it in your hair for more than 30 minutes. For example, if you have brown hair and want to have lighter color, leave it on your hair for 15 minutes. On the other hand, if you have black hair and want to have blonde hair, leave the bleach for 30 minutes.

Both bleach and developer are harsh chemicals. It can damage your hair if you don’t use it correctly. Remember to leave your bleach hair in 30 vol no more than 30 minutes.

Beautiful bleach hair
Beautiful bleach hair

What Is Developer Volume 30?

Developer Volume 30 or 30 Vol is a type of developer which is usually mixed with bleach to lighten your hair. This developer will help lighten your hair by two or three levels. This also helps more pigment to embed into your hair shaft.

If you don’t have severely damaged hair and want a long-lasting bright color on your hair, a 30 volume developer will be a great choice for you. This developer can be a good option if your hair is resistant to color.

Just remember that this is a harsh chemical, so when using it at home please follow the instructions carefully.

Effects of Leaving Bleach In Your Hair For Too Long

Damaged hair because of bleaching in wrong ways
Damaged hair because of bleaching in wrong ways

You wonder why you have to wash your bleach off after 15 or 30 minutes? You think that the longer you leave the bleach on your hair, the better it is? That’s totally wrong.

Bleach is a very harsh chemical. That means if you aren’t careful enough, your hair can get damaged. Otherwise, bleach and developer will lose their abilities to lighten your hair after 30 minutes.

Even if they can’t lighten your hair anymore, they still cause chemical reactions. These chemical reactions can lead to negative effects for your hair and your health.If you let it on your hair longer than 30 minutes, you can end up having orange, brassy and damaged hair.

That’s why you have to wash your hair after 30 minutes even if you haven’t got your goal color yet. What you need to do is wash your hair after 30 minutes. Then bleach your hair again. Repeat the process until you get your goal color.

READ MORE:  4C Hair: Key Things To Consider
Bleaching hair until getting goal color
Bleaching hair until getting goal color


1. Is Developer Volume 30 bad for your hair?

If you used it incorrectly, it can be very bad for your hair. Developers are considered harsh chemicals. It means you have to follow the instructions carefully to protect your hair. Developer is generally used to lighten darker hair up. If you are using Developer Volume 30 without any supervisors, you should be careful.

The most important thing you have to follow is wash your hair on time. No keeping the developer in your hair for more than 30 minutes. Or else it will damage your here severely.

2. Can Developer Volume 30 lighten your hair by itself?

Actually, it can in some situations. If you just want your hair to be lighter, you don’t need to use the bleach.

It’s up to you sometimes too. Many people are concerned that bleach can be too bad for their hair. It leads to the result that they require not to use bleach at the salon. You’re free to do that.

Keep in mind that the result of not using bleach might not be what you wanted. Especially if you have dark hair and want to dye your hair light brown.

3. Which developer should I use if I have gray hair?

Covering your gray hair roots requires developers too. Gray hair has the most different texture from other types of hair. Gray hair is thicker and more coarse. That’s why you need a developer to soften the hair.

Developer Volume 30 can be too strong for gray hair so we don’t recommend you to use it. We recommended using Developer Volume 20. 

Remember that it depends on how thick your hair is. If you have thick gray hair, Volume 20 might not work well for you.

4. Can I use a developer without bleach?

The answer is yes, you can use a developer without bleach. If you just want to dye your hair without lightening it, you don’t need to bleach your hair.

A bleach and developer mixture should be used only if you want to lighten your hair for up to 3 or 4 shapes. A bleach is necessary if you want to use drastic color.

5. When should you wash off the developer and bleach mixture?

For Developer Volume 30, you need to wash your hair after exactly 30 minutes. No delays are allowed.

You should keep track of your hair to see how the bleach mixture works. If you see that your hair is lightening enough, you can consider washing the mixture off early.

The recommended time to let the mixture on your hair is 20 to 30 minutes. Keep that in mind so you don’t forget to wash it on time.


Keep in mind the fact that you have to wash your hair from 15 to 30 minutes depending on your goal. And please follow the instructions on the products you used correctly. After bleaching, please moisturize your hair to prevent damage. We hope to give you the answer for your question “how long to leave bleach hair in 30 vol”. 

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