By using natural oxygen, our ammonia-free Advanced
Gray Solution provides a gentle color with 2X the gray
Advanced Gray Solution benefits include:
- Advanced O2 Technology
- No ammonia, no peroxide
- 9 gray-busting shades
- 2X the coverage for 2X as long**
- Lasts up to 12 shampoos
- Leaves hair full of shine and feeling moisturized
- Gentle enough to use immediately after relaxing