This Lancome Skin Booster Primer Serum is designed to enhance your skincare routine by providing essential hydration and preparing the skin for makeup application. As a refill product, it promotes sustainability while maintaining the high-quality formulation you expect from Lancome. It works to smooth the skin's texture and boost natural radiance, serving as an excellent base layer under foundation or worn alone for a refreshed look. Ideal for daily use, this serum integrates seamlessly into both morning and evening routines to nurture and prime the complexion.