Benefits:
- Locks in root-to-tip brightness + tone
- Weightlessly softens + detangles
- Strengthens for healthy-looking blondes + greys
- Clinically proven to smooth, strengthen, and reduce brassiness after just one use
2. Leave on for 3 minutes. Rinse thoroughly.
3. Use weekly or as needed.
Nº.5P is formulated to follow Nº.4P Blonde Enhancer Toning Shampoo for even, optimal toning.