Body.Mass is a leave-in conditioning treatment spray that is designed for fine, limp and thinning hair.Created with the same technology used in eyelash thickening and lengthening treatments, this product helps to fortify each strand and stimulate hair growth. It also contains Oleanolic acid which prevents breakage and increases micro-circulation on the scalp.Paraben free. To use: Spray into damp or towel dried hair, concentrating on the roots and scalp. Style as usual.