The Thalia 15ml Firming and Filling Collagen Sleep Mask An essential component that makes the skin more elastic is collagen, which is found in our tissues by nature. Our bodies start to produce less collagen as we get older, which results in less supple skin. When you use the Thalia Collagen Face Mask before bed, it improves the texture of your skin, giving you younger-looking skin. Furthermore, it stops moisture loss by making the skin's surface a barrier and retaining more water in the tissues. From the very first use, you will notice that your skin appears more radiant and youthful. Use: Massage in circular motions on a cleansed face, avoiding the eye region, before going to bed. It's not necessary for you to apply a night