Glow color color protective shampoo by Rene Furterer | Blow Color Color Shampoo is a sulfate-free* professional care product that gently cleans colored or highlighted hair while preserving color with every wash. Enriched with 100% natural active ingredients, it eliminates impurities, closes scales and prevents color loss for up to 10 weeks¹. Perfectly cleansed, hair is improved and more flexible. The color is intense and long-lasting. Biodegradable formula according to OECD 301B test. Without silicones. | Advantages: | Prevent color loss for up to 10 weeks*: thanks to organic Hamamelis extract, rich in tannins, a natural color fixative. | Wash your hair gently: for healthy and perfectly clean hair. | Protective action: thanks to organic lemon essential oil, which smoothes fiber scales and protects hair weakened by coloring techniques. | % of satisfaction. Use test on 68 people for 10 weeks *without sulphate surfactants. ¹% satisfaction. Use the test on 68 people for 10 weeks.