KNOCK OUT GRAYS with Clairol Professional Beautiful Collection Advanced Gray Solution Semi Permanent Hair Color. By using natural oxygen, our AMMONIA FREE Advanced Gray Solution provides a gentle color with 2X the gray coverage.
- LONG LASTING semi permanent color designed to COVER GRAY
- Made with Advanced O2 Technology
- NO AMMONIA, NO PEROXIDE
- Available in 9 gray-busting shades, lasts 12 shampoos
- Leaves hair full of shine and feeling moisturized
- Gentle enough to use immediately after relaxing
- Apply to shampooed & towel dried hair, no heat required
- Processing time: 25 minutes at room temperature