NN2 is a colour additive which comes in the form of a liquid. It’s designed to be added to a permanent colour to reduce unsightly skin staining and the discomfort of skin irritation.
NN2 benefits include:
- Unique skin protecting formula
- Helps prevent scalp staining
- Helps calm and soothe the skin
- Adds extra softness and shine to the final result
- 250 ml bottle with single pump measure dispenser