Alpecin is a leading German hair care brand designed specifically for men. Established in 1905, Alpecin’s research-backed products combat various hair concerns such as irritated scalp, hair loss and weakened hair follicles. The brand's Caffeine Shampoo C1 features Caffeine Complex containing caffeine, zinc and niacin to deliver nutrients to hair follicles, promote hair growth and cleanse hair and scalp. There's also the Dandruff Killer Shampoo containing panthenol, fumaric acid and allantoin to moisturize a dry scalp, and remove and prevent dandruff.