The other ingredients are Dimethicone, Undecane, Dimethicone Crosspolymer, Tridecane, Tocopheryl Acetate, Silica Silylate, Perlite, Disodium Stearoyl Glutamate, Retinyl Linoleate, Aluminum Hydroxide. It May contain Titanium Dioxide, Iron Oxides [2]. How to Apply La Roche Posay Effaclar BB Blur? La Roche Posay Effaclar BB Blur is ultra-lightweight and oil-free. It utilizes special shade adapting pigments that provide moderate coverage to make the skin more even while at the same time concealing blemishes. The formula claims to provide instant correction for blemish-prone skin and it gives the user a visibly flawless complexion upon application. What Are The Ingredients In La Roche Posay Effaclar BB Blur? Perlite: This active ingredient absorbs sweat and humidity for perfect-looking skin.However, it may cause dryness if prolonged exposure [1]. Mattifier Airlicium: This is a cutting-edge active ingredient that offers powerful soothing effects. It absorbs 150 times its weight in oil for long-lasting matte skin.