10 volume developer lifts one level of lift.
This means it can lighten your hair by one shade, typically from a dark blonde to a lighter blonde.
Remember, the volume of developer determines the strength of the lifting process.
Here's a breakdown of common developer volumes and their lifting capabilities:
- 10 Volume: Lifts one level
- 20 Volume: Lifts two levels
- 30 Volume: Lifts three levels
- 40 Volume: Lifts four levels
