L’Oréal Paris Excellence Crème Permanent Hair Colour 4.15 Frosted Brown is a luxurious at-home hair dye that delivers a cool, deep brown shade with subtle frosted undertones and 100% grey coverage. Powered by the brand’s Triple Care System, it includes a pre-colour serum to protect delicate strands, a pro-keratin-infused colouring crème for rich, even colour, and a post-colour conditioning mask enriched with ceramides to nourish and strengthen hair after colouring. The result is long-lasting, multi-tonal colour that enhances shine and softness while leaving hair visibly healthier and more resilient. This ammonia-free formula ensures a gentle application and is ideal for anyone seeking a sophisticated, frosted brown tone with salon-quality results.