Protect and perfect your skin day after day with la roche posay effaclar duo spf30 a cult favourite for almost ten years effaclar duo is beloved worldwide for its blemish busting abilities la roche posay effaclar duo spf30 has all of the same acne eliminating benefits as the original with added uvauvb and pollution protection to shield skin from further damage and minimise the pigmentation of scars clinically proven to reduce the size and redness of spots and scarring whilst help