What it is:
Volume Cream Developer
What it does:
- 20 Vol - Enriched Professional formula enhances color depth.
- 25 Vol - Special Formula for resistant/Gray hair for increased dye-loads.
- 30 Vol - Enriched Professional formula enhances color depth.
- 40 Vol - Enriched Professional formula enhances color depth.
What else you need to know:
- 20 Vol - 6%
- 25 Vol - 7.5%
- 30 Vol - 9%
- 40 Vol - 12%
