How long to leave bleach in hair 10 vol

Wondering how long to leave bleach in hair (20 vol)? It’s really important to get the timing right to avoid damaging your hair. We’ll show you this plus tips to get the best results in our quick guide!

How Long to Leave Bleach in Hair (20 Vol Developer)

You may know how to bleach your hair, but the most important part of the process is timing.

You’ve got to get it just right and continually check your hair’s progress at regular intervals along the way. 

If you leave bleach on your hair too long, you will permanently damage your locks and can even lose hair in the process.

If you don’t leave it on long enough, you won’t achieve the lift you want and may get uneven, patchy results. 

The trick is using 20 volume developer in your bleach mixture because it doesn’t take long to process and isn’t as damaging for hair as higher-volume developers.

It’s the mildest option for lift (instead of depositing color, like a 10 volume developer does).

It contains only 6% peroxide, while harshe

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