Take control against frizz with this smooth hair superstar. Nexxus Ultralight Hair Serum is a hair treatment that helps revive your dry or frizzy hair. This hydrating serum for frizzy hair instantly tames frizz and smooths flyaways, forming an invisible shield around each strand to weightlessly block out 98% humidity when used alongside the UltraLight Smooth System. It also keeps hair smooth for up to 72 hours. This hair serum for frizzy hair, formulated with Almond Protein and Jasmine Flower, helps to tame frizz, smooth flyaways, protect hair from heat, and humidity. It's also ideal as a hair conditioning treatment. How to use the Ultralight Smooth System: STEP 1: Wash with Nexxus Ultralight Smooth Shampoo. Work into a rich lather and rinse thoroughly. STEP 2: Give hair a hydrating boost without weighing it down by applying Nexxus Ultra Light Smooth Conditioner. Smooth into hair from root to tip, leave a few minutes, and then rinse. STEP 3: Use Ultralight Smooth Frizz Defy Hair Serum to help control frizz and revive dry hair. Nexxus continues to pioneer and innovate, creating salon crafted hair care that eclipses expectations and delivers extraordinary results, using cutting-edge science, inspired by nature’s most powerful ingredients. Only Nexxus uses advanced research into proteins to identify the precise solutions your hair needs to achieve superior salon-quality results. Once these specific protein formulations are developed, our hair care products work to restore and replenish every hair type.