What it is: mac studio fix fluid foundation spf 15 is a modern foundation with a natural matte finish and broad spectrum protection. Who it's for: mac studio fix fluid foundation spf 15 is suitable for anyone with any skin type who wants medium-to-full buildable coverage and a matte finish. What it does: the comfortable, long-wearing (for up to 24 hours) formula applies, builds and blends easily and evenly while helping to minimize the appearance of pores and imperfections, giving your skin a smoother, more flawless look and finish. Mac studio fix fluid foundation spf 15 works to control oil and shine and is non-drying, giving you stay-true color that won't streak, cake or settle. It offers protection from both uva and uvb rays. Finishes: - c: cool (golden, olive undertones) - n: neutral (beige undertones) - nw: neutral warm (pink beige undertones) - nc: neutral cool (golden beige undertones) how to use: apply to well-moisturized and prepped skin using a sponge or foundation brush. Blend well. Pro tips: for best results, apply to the center of your face first, or wherever you want more coverage, then use the foundation brush or sponge to blend to the outer regions of your face.