Make thinning hair thick.again with our leave-in thickening treatment designed for fine or thinning hair. we harnessed the power of a breakthrough eyelash thickening and lengthening technology to leave hair looking thicker and fuller over time. antioxidant-rich, nourishing ingredients help strengthen and fortify hair to reduce breakage.prep. spray. stay. prep hair with stimulate-me.wash and rinse and towel dry. spray thick.again evenly throughout damp or towel dried hair, concentrating on the roots and scalp. do not rinse, dry and style as usual.nettle extract is known to fortify hair fibers. helps to thicken the hair, and assists in preventing breakage.oleanolic acid from lovely hemsleya root with its abundant antioxidant properties, helps to fortify and strengthen at the root to help prevent thinning and falling hair.nelumbo nucifera flower extract helps boost natural shine to damaged hair, while adding volume, body and elasticity to dry, brittle hair.aesculus hippocastanum (horse chestnut) seed extract helps to improve circulation in the scalp.