great for adding shine and health to hair [SEP] i have used s of the bottle of this argan oil shampoo for both my my daughter and i it has added the shine that her dull hair needed it took away the frizzes and made it easy to brush through afterwards i use it on my very chemically over processed hair in addition to a color shampoo and it has also helped keep my hair shiny and healthy my only reason for the out of star review was the size of the bottle it is big i would prefer a small bottle to sit better on the shelf in one of our showers i reviewed this product for days prior to posting my review