A LIGHT, FLEXIBLE FINISHING HAIRSPRAY For those who crave a lighter hold with more flexibility, SESSION.SPRAY FLEX is your go-to finishing hairspray. Our lightweight, fast-drying formula features flexible moulding resins to give your style a workable, lived-in hold with the same humidity resistance and flake-free properties of our beloved SESSION.SPRAY. Our special Elasticity Blend made up of natural extracts helps give hair moisture, strength and smoothness. For every can of SESSION.SPRAY FLEX sold, a financial contribution will be made to help reduce global carbon emissions. SPRAY. STYLE. FLEX. Shake well and spray evenly on dry hair to create a flexible finish.