New, Never Used, 4.3 oz MONAT STUDIO ONE™ Frizz-Fix Smoothing Hair Primer creates a weightless, frizz-resistant shield that works as a long-lasting beautifying barrier to humidity. Used alone or prior to applying styling products, this smooth operator resists humidity for up to 12 hours. This pre-style primer packs an amino acid complex that nourishes and conditions. Advances in anti-frizz technology, and high-tech fixatives combine with a plant-derived silicone alternative to block humidity and smooth each strand without weighing it down, ultimately creating a frizz-free, sleeker look that holds throughout the day.