I feel like my hair is in better condition when I alternate between the two shampoos, so I bought a second one. It definitely leaves my hair feeling more moisturized than my usual Essential shampoo. I use only this shampoo series, and combine it with a treatment from another brand I have at home, but I could feel a difference even with just the shampoo. However, the price is a little high, so I'm not sure if I'll buy it again.