100 Natural Siliconefree Best forÿtaming frizz and tangles Frizzfree sheen by day This light siliconefree formula penetrates each strand to control frizz and flyaways and protect hair from damaging elements during the day. Nourishment by night Use one pump as a leaveon treatment to allow the nutrientrich plant oils to bring back your hairs natural health as you sleep. Health in beauty out Most hair serums are siliconebased. But silicone gives hair shine by coating it like cheap plastic starving it from proper nourishment. Our smoothing serum uses allnatural soybean broccoli sunflower and avocado oils a true feast for your crowning glory.