La Roche-Posay Effaclar Ultra Concentrated Serum is a specialized skincare treatment designed to target skin imperfections and marks. This dermatologist-recommended serum provides daily peeling action while incorporating La Roche-Posay's signature thermal water for optimal skin benefits. This product comes from La Roche-Posay, ranked as the #1 dermatologist-recommended skincare brand worldwide. The serum features a concentrated formula in a 30ml bottle with a dropper applicator for precise dispensing. The distinctive turquoise-tinted glass bottle contains the brand's thermal water, known for its soothing and beneficial properties for the skin.