Paul Mitchell PM shines demi-permanent hair color (3NB) clove it is a gentle ammonia-free easy-to-use liquid gel formula coupled with a conditioning agent from meadowfoam seed that helps repair damage and intensify surface shine. IHC - Intense hydrating complex penetrates deep into the hair shaft for intense hydration while helping to replace lost amino acids. PM shines will last up to 4-6 weeks and will fade on tone.