Target blemishes with la roche posay effaclar ai the precision imperfection corrector the intensive local treatment works three fold new imperfections are prevented thanks to niacinamide existing imperfections and bacteria are deeply purified with piroctone olamine and glycacil and regeneration of the skin is encouraged thanks to micro exfoliating lha and soothing la roche posay thermal spring water residual marks are prevented from appearing and the skin looks clearer and fresher appl