What is alpecin double effect caffeine shampoo 200ml 1st effect gently removes dandruff and provides effective relief from an itchy scalp.2nd effect stronger, thicker hair alpecin double effect caffeine shampoo combines over 80 years of hair care research.your daily hair routine use alpecin double effect shampoo every day. Leave it on the scalp for roughly two minutes from application to rinsing out. Alpecin double effect doesnt contain any softening silicones. What are the key features against hair loss and dandruff ingredients what are the active ingredients aqua, sodium laureth sulfate, laureth 2, disodium laureth sulfosuccinate, sodium lauroyl glutamate, panthenol, caffeine, parfum, peg 120 methyl glucose dioleate, salicylic acid, hydrolyzed wheat protein, 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 60730ingredients usage how to use alpecin double effect caffeine shampoo 200ml recommendation massage into the scalp and leave for 2 minutes from application to rinse.information for competitive athletes alpecin caffeine can be detected in hair folliclesusage