Create an ultra-smooth canvas for makeup application with the Stila One Step Prime; an innovative, swirled, helix serum primer that simultaneously primes, preps, nourishes and smoothes the visage. Effortlessly gliding over skin, the water-based primer instantly refreshes the complexion, whilst delivering a coveted smoothing effect. The formula combines a crystal clear base with a cocktail of skin-conditioning silicones, which helps to reduce the appearance of fine lines and enlarged pores. Once skin is primed, foundation sits smoothly on skin and its longevity is extended and enhanced. Free from oil, fragrance and parabens.