what is best keratin shampoo?
[' Tresemme Keratin Smooth 7 Day Smooth System. ... ', ' Kerastase Discipline Bain Fluidealiste. ... ', ' Keranique Scalp Stimulating Shampoo Deep Hydration for Dry Hair. ... ', ' Smoothing Therapy Keratin Color Care Shampoo. ... ', ' PureBiology Hair Growth Stimulating Shampoo.']