Krastase nutritive serum oleo relax is one of krastases leading styling oils it is an ideal serum for wild frizzy or untamed hair applied to towel dried hair particularly around the mid lengths and hair ends krastase nutritive serum oleo relax relaxes your hair leaving it more manageable and easier to style the styling oil detangles your hair reduces frizzing effect replenishes its soft shiny texture and helps to smooth its volume the serum is made with shorea and palm oils cat