Alpecin Tuning Shampoo for Men Designed for men with dark to black hair, Alpecin Tuning Shampoo contains intensive pigments to fortify your natural hair colour and tint early grey hairs to make your hair look darker and fuller again. Suitable for daily use, it also contains a Caffeine Complex detectable in the hair roots after just 120 seconds to help stimulate hair growth. Directions: Leave the shampoo on the scalp for about 2?5 minutes, and then rinse out. Only apply to dark to black hair. Ingredients: Aqua, Sodium Laureth Sulfate, Sodium Cocoamphoacetate, PEG-3 Distearate, Cocamidopropyl Betaine, Sodium Chloride, Caffeine, Panthenol, Phenoxyethanol, Coco-Glucoside, Glyceryl Oleate, Parfum, Phosphoric Acid, PEG-120 Methyl Glucose Dioleate, HC Blue No. 2, Menthol, Polyquaternium-7, Sodium Hydroxide, Citric Acid, Niacinamide, Zinc PCA, Limonene, Sodium Benzoate, Methylparaben, Propylparaben, CI 47005.