The formula texturises the hair, fibre by fibre, for added density and thickness and gives the hair support from the root for an ANTI-FLAT effect. The ultra-fine and micro-diffused formula penetrates the hair for instant volume without leaving residue. Spray on the root and body of the hair. For maximum volume, apply whilst brushing. Do not rinse. Can be used daily on dry or damp hair. COLLAGEN: an active ingredient known for its powerful firming and densifying properties has been used by the L'Oréal Laboratories to create the Volume Collagen Root Lift Spray. For the 1st time COLLAGEN is being used in haircare Leave in. Amplified, lasting volume for fine & flat hair.