![]() From 20 to 40 minutes, it can lift the hair two to three tones lighter. It’s relatively safe and could stay in longer. Vol 30, 20, 10 How Long to Leave Bleach in Hair 20 VolumeĪ 20 volume hair developer is quite standard. The best time to leave the bleach in would be 15 to 30 minutes maximum. Vol 40 How Long to Leave Bleach in Hair 30 VolumeĮven with less percentage of hydrogen peroxide, it’s still strong and could also leave burns on the scalp not to mention sensitivity and irritability. After 20 minutes, probably less, your scalp and areas around the face will start to feel like they’re getting burned. ![]() An at least 40 volume hair developer is very concentrated with 12% hydrogen peroxide which means you only need very little contact with your hair. How Do You Know When It’s Overstayed? How Long to Leave Bleach in Hair 40 Volume
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |