Salicylic acid is an organic compound that is particularly effective in reducing blemishes and limiting the proliferation of bacteria on the skin's surface. It also exerts a keratolytic action and stimulates cellular renewal. The pores are tightened and the complexion is brightened. However, it is sometimes subject to controversy, even though its safety has been proven at the incorporation concentration to which it is limited by European regulations. Here are five misconceptions about it.