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If you mix equal parts of 20 vol and 40 vol, you will have 30 vol, which is slightly stronger than 20 vol and slightly weaker than 40 vol. 40 vol should never be applied without help from a professional as it may damage your hair.

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12y ago

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How do you make 20 vol with 40 vol peroxide?

To make a 20 vol peroxide solution from a 40 vol peroxide solution, you need to dilute the 40 vol solution by mixing it with an equal amount of water. This will effectively reduce the concentration of the peroxide solution by half, resulting in a 20 vol solution.


How do you make 20 vol with 40 vol peroxide -?

Equal parts distilled water & 40 vol peroxide.


How can I use 10 vol. and 20 vol. developer to make 15 vol.?

Mix equal parts of the 10 vol. and 20 vol. developer to create a 15 vol. developer solution. This will give you a balanced formula that combines the properties of both developers to achieve the desired volume strength.


Joey has a beach ball with a radius of 20 cm What volume of air will it hold when fully inflated?

sphere volume = (4/3) * pi * r^3 vol = (4/3) * pi * 20^3 20^3 = 20*20*20 = 8000 vol = (4/3) * pi * 8000 vol = 33510.321638291127876934862754981


Can you make 20 vol peroxide from 30 vol and 10 vol?

You can easily make 20 vol from 30 by mixing it with 33.3% distilled water, but I wouldn't try making 20 vols from 10 unless you have a laboratory and the correct equipment to distill accurately. One can also use equal parts of 30 vol and 10 vol. You can easily use two identical glasses and eye out equal amounts. Add them together. Viola. Peroxide is unstable so be sure to store your new concentration peroxide in a capped brown plastic bottle. Also be sure to label it 20 vol.


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Hangover Music Vol. VI was created on 2004-04-20.


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Can you make 10 vol peroxide from 20 vol?

you make equal parts if your using a 4 ounce formula with a 2oz color bottle you would use 1oz of 20 volume developer then 1oz water then 2ounces of color


Can you dilute 30 vol hair developer with water to make 20 vol?

No, diluting a 30 vol hair developer with water will not change the volume strength of the developer. To make a 20 vol developer, you would need to mix the 30 vol developer with a neutralizing solution or a lower volume developer.


When was Frank De Vol born?

Frank De Vol was born on September 20, 1911, in Moundsville, West Virginia, USA.


I have blonde hair and I want to color it dark brown what level of peroxide do I use 10 vol or 20 vol?

10 anytime your going darker unless you looking for gray coverage, then 20