GLISS formulas, with advanced hair actives + treasures of nature, are developed for the special needs of hair: they repair existing damage and visibly improve hair quality. The Ultimate Color range is suitable for dyed or highlighted hair. Color range, with brazil nut oil + UV filter, strengthens and seals the cuticle for color protection. Radiant Shine. Long-lasting color protection for up to 12 weeks. Your dyed hair loses intensity wash after wash so it needs special protection to retain its intense color and luminosity. GLISS Ultimate Color shampoo provides radiant shine and long-lasting color protection for up to 12 weeks. 89% of natural origin ingredients including water. Application: massage onto wet hair. Rinse thoroughly with water. Use regularly.