The Advanced Bio Radiance Invigorating Concentrate Serum works to firm and protect your skin.. The Science. Infused with age-defying active ingredients, our Advanced Bio Radiance Invigorating Concentrate Serum combines signature ingredients Matrixyl 3000, Hyaluronic Acid, Caviar Extract, and a rich elixir of oils..Matrixyl aims to reverse the signs of ageing and helps stimulate collagen synthesis and skin repair, whilst Hyaluronic Acid works to provide intense hydration deep into the skin for a visible, radiant complexion..Caviar Extract aims to provide an anti-pollution layer and protect against daily stress and irritation..The elixir of oils rich in essential fatty acids and vitamins has effective anti-ageing properties, working to fortify and energise the skin as well as being a source of nutrition.