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Amazon.com : Alpecin C1 Caffeine Shampoo 8.45 fl oz + Alpecin After Shampoo Liquid 6.76 fl oz, Men's Natural Hair Growth Shampoo and Scalp Tonic for Thinning Hair : Beauty & Personal Care
Alpecin Caffeine Shampoo C1 Black Edition, Men's Natural Hair Growth Shampoo for Thinning Hair with Niacin, Menthol, and Castor Oil, 8.45 fl. oz. - Walmart.com