Goldwell Dualsenses Scalp Specialist Sensitive Foam Shampoo 8.5 Ounce 250 Milliliters Goldwell Dual Senses Scalp Specialist Sensitive Foam Shampoo is a gentle, yet effective cleanser to soothe and calm the scalp and leave it feeling rebalanced. This shampoo is free from colorants, fragrances, and preservatives for gentle cleansing of the hair and scalp. Combats two common problems: sensitive, irritated scalp and increased hair loss on mature hair.