For more acne fighting power , add the clear Proof Pore Purifying Serum to your Clear proof Acne System regimen . This translucent , leave on Serum helps to clear and prevent blemishes while helping to minimize the appearance of pores and reducing shine. Key ingredients : Salicylic Acid. Canadian Willowherb. Sea Heather. Burdock root. Avocado Pears.