Bioderma cosmetics. SEBIUM Serum Concentré Rénovateur Purifiant. Treatment that avoids the formation of imperfections and eliminates persistent injuries, such as scars or installed pimples and their marks. It corrects and smoothes them, allowing the skin to regenerate. It contains the Fluidactiv patent, which corrects facial fat to prevent the appearance of new imperfections. Suitable for sensitive skin. For a correct and complete application, use nights and mornings for four consecutive weeks.