Benefits/features biome base: unique active postbiotics, fermented extracts of northern blueberry and wild raspberry help support your skins microbiome. increase skins resistance to the effects of urban lifestyle, enhance skin radiance and regeneration, keep it healthy and help maintain your natural youthful appearance. time is on your side due to the power of active ingredients in every drop. thanks to its wonderful silky texture, the serum spreads easily, awakening the perfection of smooth and firm skin. ideal for treating fine lines & wrinkles. contains hyaluronic acid for deep hydration and squalene that strengthens the skins protective barrier, improves its elasticity and tone. use apply a small amount morning and evening to a clean, dry face. follow with cream