What it is: A lightweight serum that targets the effects of collagen decline in skin while firming skin in just four days. Who it's for: Ideal for all skin types, especially those with loss of volume and firmness. What it does: The serum helps firm skin with the first Opal Skin Algae Complex and powerful marine algae. It targets the effects of collagen decline on skin, improving visible signs of aging over time. It visibly helps smooth fine lines and wrinkles, boosts skin volume and leaves skin with enhanced luminosity, for a healthier and more vibrant complexion. How to use: Gently massage 2–3 drops of the serum onto dry, cleansed skin every morning and evening. Made in the UK