Serums [verified] · Ultimate

Unlike a thick moisturizer designed to sit on top of your skin and lock moisture in, a serum is a lightweight, fast-absorbing liquid packed with .

Think of your routine this way:

Furthermore, your skin needs time to "retinize" (adjust to retinol ). You might experience a "purge" (temporary breakout) for the first 4 to 6 weeks. Push through it gently. serums

To understand the power of , you must first understand the difference between a serum and a moisturizer. Unlike a thick moisturizer designed to sit on