Description of the product Description of the Product Ingredients in Collagen Serum: 96% Natural Dry Skin Moisturizing & Anti-Wrinkle Treatment: Enhanced Moisturizing, Wrinkle Smoothing, Elasticity Improvement, Fatigue Reduction serum Collagen Defense Five Indices of Weary Skin: Dehydration Unevenness Decrease in Elasticity Fine Lines and Wrinkles Diminished Firmness How do I use it? After cleansing, apply a few drops of serum to your décolleté and face. Gently rub. Apply twice a week, or more frequently if required. When should I use it? Use in the morning and at night.