Pregaine Shampoo for Thinning/Loss Hair -Clear Gel Shampoo / Frequent Use Shampoo (400ml/200ml) Pregaine Clear Gel Shampoo shampoo for oily/neutral hair scientifically formulated to add body and manageability for thinning hair hypoallergenic, dermatologist-tested, shampoo that removes excess oil to make the scalp fresh, hair completely clean without residue ideal for use with regaine hair loss treatment solution Pregaine Frequent Use Shampoo shampoo for neutral hair scientifically formulated to add body and manageability for thinning hair hypoallergenic, dermatologist-tested, shampoo containing natural wheat protein to help replenish what the hair and scalp needs in every wash ideal for use with regaine hair loss treatment solution