One of L'Oreal's greatest hair colour ranges, Dia Light, brings an ammonia-free, professional hair colour treatment to those with colour treated hair. It is also L'Oreal's first tone-on-tone colour delivering illuminating shine to your hair. L'Oreal Dia Light 7 Demi-Permanent Hair Colour produces a Blonde colour whilst emitting radiant tones with remarkably even colour which produces a highly elegant end-result. L'Oreal Dia Light 7 Demi-Permanent Hair Colour has a formula which was designed to give colour-treated hair ultimate shine and condition whilst hair will be less damaged using this demi-permanent hair colour than one which uses the stripping process. Luminosity will be reflected while at the same time your lavish style will be radiating. When using L'Oreal Dia Light 7 Demi-Permanent Hair Colour, please consult instructions, the L'Oreal website or a professional for the best results. Ask your professional hairdresser for an in-depth colour consultation to help determine your perfect shade.