Take the hassle out of styling unruly frizzy hair with Matrix Biolage Deep Smoothing Leave In Cream. Instantly nourishing, it continuously helps control static & flyaways for disciplined smoothness. Matrix Biolage Deep Smoothing Leave In Cream de-tangles as it helps protect against heat styling tools & humidity. Infused with a silky serum of camellia, this Smoothing Leave In Cream does the hard work for you, smoothing your hair throughout all the seasons, even in 97% humidity. To use: Work a small amount through towel-dried hair. Do not rinse. Style as usual.