November 15, 2021Who What Wear 10 Best Salicylic Acid Serums, If You’re Breaking out, Switch to a Serum with this Acne-Fighting Ingredient November 2021 Blemish Clearing Serum "This blemish-clearing serum features naturally occurring salicylic acid found in willow bark and other organic fruit juices that kill acne-causing bacteria on the skin."