Extend colour and shine with REF Stockholm’s hair mask for coloured hair. This nutrient-rich treatment deeply hydrates, protects pigments and leaves hair supple and glossy without heaviness. Start with Colour-Protecting Shampoo, follow with the Hair Mask, then finish with Conditioner for Coloured Hair. For added radiance and longevity, top up between washes with a Leave-In Conditioner or Colour Boost Masque.