HELPS TO FIGHT THINNING HAIR With its unique formula and its optimal caffeine dosage (and other potent active ingredients) Alpecin Caffeine Shampoo C1 supports natural hair growth. CONTAINS SKIN ACTIVATOR Alpecin Caffeine Shampoo's effectiveness to help hair feel stronger and thicker has been demonstrated over many years of scientific research. Contains caffeine, zinc and niacinamide for healthy hair roots. MORE INTENSE HAIR GRIP Hair immediately has a better grip and can be styled better as the product does not contain softening silicones. YOUR DAILY HAIR ROUTINE Use Alpecin Caffeine Shampoo C1 every day. Leave it on the scalp for only two minutes from application to rinse. Alpecin C1 Shampoo comes without any softening silicones. MOST SUCCESSFUL SHAMPOO IN GERMANY Alpecin Caffeine Shampoo is the best-selling shampoo to fight thinning hair in men in Germany.* German engineering for your hair! *Nielsen