How Many Ounces Of Developer Do I Need To Bleach My Hair?
The amount of ounces of developer needed to bleach hair depends on the volume of the developer and the desired level of lift. Typically, for a full head bleach, 4-6 ounces of developer is sufficient. However, it is recommended to follow the instructions provided with the bleach and developer products and consult with a professional hairstylist for best results.