Llongueras Color Advance Hair Colour 6.6 Dark Red Intense is a professional permanent hair dye that delivers vibrant, long-lasting color while caring for your hair. Its advanced formula is enriched with nourishing and protective ingredients that strengthen the hair fiber, leaving it soft, shiny, and healthy. Shade 6.6 Dark Red Intense provides a deep, striking red tone with rich intensity, perfect for those who want to stand out with bold and elegant color. Dermatologically tested, it ensures excellent grey coverage and salon-quality results at home.