L’Oréal Paris Preference Permanent Hair Dye, Luminous Colour, Cool Iridescent Very Light Brown 6.21

A cool iridescent very light brown permanent dye from L'Oréal Paris, Preference 6.21 delivers a glossy, multi-dimensional finish ideal for cool-toned brunettes. The creamy developer texture spreads evenly for full coverage and lift. Suitable for those seeking long-lasting colour with a luminous sheen; best for hair prepared for permanent colouring and experienced at-home users.