Alpecin Caffeine Shampoo C1 fights for your hair. A daily hair washes with Alpecin Caffeine Shampoo promotes powerful and strong hair. By intentionally leaving out softeners such as silicone, the hair structure improves after just a few hairs washes with an enhanced hair grip and it can be styled better. With its unique formula Alpecin Caffeine Shampoo helps to support natural hair growth.