The removal of dandruff from the scalp prepares the way for the caffeine complex. Alpecin Double-Effect Caffeine Shampoo contains highly dosed caffeine that penetrates into the hair roots when the hair is washed. It can be detected just 120 seconds after application. In the hair root, the active ingredient forms a 24-hour depot, thereby protecting the hair root from premature inactivity and, as such, hereditary hair loss is prevented.

Ingredients: Aqua, Sodium Laureth Sulfate, Laureth-2, Disodium Laureth Sulfosuccinate, Sodium Lauroyl Glutamate, Panthenol, Caffeine, Parfum, PEG-120 Methyl Glucose Dioleate, Hydrolyzed Wheat Protein, Salicylic Acid, Sodium Chloride, Sodium Citrate, Piroctone Olamine, Potassium Sorbate, Citric Acid, Polyquaternium-7, Menthol, Sodium Benzoate, Zinc PCA, Niacinamide, Limonene, Tetrasodium Etidronate, Phenoxyethanol, Methylparaben, Propylparaben, CI 60730.