good but not always great [SEP] i loved this shampoo and conditioner for the first several weeks that i purchased it againhowever after continued use it seemed to have a build up on my hair weighing it downand causing frizz on the thinner front of my hair my hairdresser confirmed that overusewill build up the oil from the argan oil shampoo and conditioner i have decided to useit occasionally instead of every time i wash my hair i will use matrix biolage advance fulldensity shampoo and conditioner in between using the argon shampoo and conditioner