AG HAIR Simply Dry Shampoo $28.00 4.2oz - $28.00 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Simply Dry Shampoo works on every hair type and colour. Natural rice and tapioca starch soak up excess oil, leaving hair revitalized. Perfect if you don’t wash your hair everyday, but want it feeling refreshed.