PHYTO COLOR in Chestnut 4 is a permanent hair coloring treatment that combines botanical research with advanced technology. This ammonia-free formula provides 100% gray coverage while respecting the hair and scalp, minimizing the risk of allergies. Key features: • Botanical-based permanent hair color • 100% gray hair coverage • Ammonia-free formula • Contains natural plant pigments • Nourishing and protective formula • Gentle on scalp and hair • Long-lasting color results The formula contains high concentrations of botanical pigments like India wood, Brazilwood, madder, and coreopsis that have been traditionally used for their coloring properties. For optimal results on hair that is more than 50% gray, it is recommended to blend a natural color with a highlighted shade. The smooth cream consistency ensures even application from roots to ends without dripping.