KérastaseKérastase Cristalliste Cristal Sculpt - Shine Serum Or Cristalliste Cristal Sculpt - Smoothing Serum

BUY at Birchbox

If we had to describe our ideal skin and hair, we'd use some of the same adjectives: smooth and glowing. So it makes sense that Krastase would take inspiration from skincare to create this versatile sculpting serum. It's infused with two tried-and-true skincare ingredients-alpha hydroxy acid and ceramides-to help you achieve sleek, ultrashiny locks, whether you're blow-drying or going heat-free. Not only that, but the weightless formula keeps strands soft and bouncy