What is alpecin tuning shampoo 200ml hair tuning with every hair washcolour effectduring each hair wash, dark colour pigments attach to the existing hair surface. The effect becomes gradually more pronounced with every hair wash.hair effectcaffeine penetrates into the hair roots during hair washing and protects against hereditary hair loss. What are the key features the dark caffeine shampoo maintains your dark shade stimulates the hair roots ingredients what are the active ingredients aqua, sodium laureth sulfate, sodium cocoamphoacetate, peg 3 distearate, sodium chloride, cocamidopropyl betaine, caffeine, panthenol, cocoglucoside, glyceryl oleate, phosphoric acid, peg 120 methyl glucose dioleate, hc blue no. 2, menthol, polyquaternium 7, sodium hydroxide, citric acid, niacinamide, zinc pca, phenoxyethanol, sodium benzoate, parfum, limonene, ci 47005ingredients usage how to use alpecin tuning shampoo 200ml applicationleave on the scalp for 2 to 5 minutes from application to rinse. A longer residence time increases caffeine absorption and the colouring effect.usage warnings precautions to consider before using taking alpecin tuning shampoo 200ml warningthis shampoo may cause allergic reactions. Thoroughly rinse shampoo resi dues from any surfaces and textiles to avoid discoloration.do not use on blonde and light blonde hair.warnings