The Advanced Bio Radiance Invigorating Concentrate Serum presents the purest form of Hyaluronic Acid and the highest concentration of Matrixyl that come together to help 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 aims to provide an intense hydration deep into the skin for a visibly radiant complexion.. • Caviar Extract aims to provide an anti-pollution layer and protect against daily stress and irritation.. • The elixir of oils, rich in essentials fatty acids and vitamins, has anti-ageing properties and aims to fortify and energise the skin as well as being a source of nutrition.