Highly concentrated in purifying active ingredients, the Intensive Serum has a proven and visible effectiveness. After 7 days, imperfections are significantly diminished. Shiny areas are visibly reduced. After 4 weeks, skin quality is considerably improved: skin looks healthier and smoother, it is purified, its texture is refined, pores are tightened. Apply to clean skin, morning and evening, on zones with imperfections and/or shininess. May also be used as an emergency treatment on individual imperfections.