30 Developer Bleach On Black Hair. Take your bleach powder and 30 volume developer and mix them in a bowl with a good ratio. The ratio can be anywhere from 1:1 or 1:2 or 1:3. If you use 1:1, it creates a mixture that is thick and good for highlighting your hair. The other options are more liquidy and are easier to apply to the hair.
This means, for every 2 parts of the developer you need to add one part of bleach. For example, if you’re taking 2oz of bleach, you’ll need 4oz of developer and so on. Hello people,this video is a request from a fellow youtuber who wanted to know which developer to use (10,20,30 or 40 ) volume when bleaching black/dark hair. Depending on the volume, more of these chemicals are added to your hair developer, which can cause hair damage. Therefore, strong hair developers such as 30, 40, and 50 volume developers with such ingredients can cause hair damage such as dry brittle hair and scalp sensitivity that leads to hair breakage. Saloncare vol 30, 20, 10 Given below is the corect ratio of bleach to developer you should use depending on the type of developer: If you have dark brown hair or black hair, you should use a strong bleach like the clairol professional bw2 hair powder. The time necessary to leave 30 volume developer on black hair will vary depending on the brand of developer and the length and thickness of the hair.