Perfect your grey with Tone Supreme. This lightweight ammonia-free toning cream gradually colors your grey hair in just 15-20 minutes, for a natural look with harmonious natural shades. Gradual toner Customize your look with una gradual toning. For a more intense color result, leave on for up to 20 minutes. For a softer result, leave on for only 15 minutes. Extra gentle formula The formula with neutral pH makes it especially gentle on hair and scalp. The conditioner, free of silicones and with Mineral-Collagen Complex, strengthens your hair and makes styling easier.