L?Or?al Paris Prime Lab 24H Pore Minimizer. 30 ml. Makeup Primers for Women. The L?Or?al Paris Prime Lab 24H Pore Minimizer primer smooths the skin perfectly. prepares it for foundation and ensures your makeup lasts longer. Characteristics: makes makeup more durable prepares skin perfectly for foundation softens fills pores How to use: Apply a small amount of the product to the entire face or individual parts after using your day cream. Blend evenly and thoroughly. then apply foundation.