The new Prime Lab 24h Matte Setter is the very first step in your routine. A dermocosmetic primer that mattifies the skin and keeps makeup fixed for 24 hours. After 4 weeks of use, it visibly reduces skin oiliness. Formulated with a complex of dermatological active ingredients [1% LHA + Salicylic Acid] that reduces oiliness after 4 weeks of use. Thanks to the technology developed by L'Oréal Paris, this primer reinforces the hold of makeup and keeps your face shine-free for 24 hours. - Approved by dermatologists. - Blurs pores and lines for 24 hours. - Smoothes the skin in 4 weeks. - It has dermatological assets that transform the skin with use, improving its quality. How to use: Apply to clean skin before makeup. Leave to act for a few seconds until completely absorbed.