NIB, full size. What it is An oil-absorbing, lightweight pressed powder that sets foundation, evens skin tone, and provides all-day shine control for a natural matte finish. How it works With Breathable Perlite Powder, Avocado Extract, and Salicylic Acid, the formula immediately mattifies skin and prevents oil breakthrough for 12 hours. Micronized Powder System blurs the look of pores and imperfections, improves the quality of foundation wear, and sets it for 16 hours. A blend of microfine powders flexes to complement a wide range of skin tones and colour corrects for a natural, even finish.