Brand from Canada: The Ordinary. Made with Salicylic acid 2% concentration, this water based serum offers surface level exfoliation, encouraging the natural shedding of dead skin. It s also lipophilic (oil- soluble) which means it can penetrate pores to control acne blemishes. The formula s multi-functional approach helps clear up pores, improve the appearance of visible redness and comedones. This approach treats acne, allows skin to heal and results in clearer, smoother-looking skin. Suitable for those with mild to moderate acne. How to use: Clean the skin thoroughly before applying this product. Cover the entire affected area with a thin layer one to three times daily. Because excessive drying of the skin may occur, start with one application daily, then gradually increase to two or three times daily if needed or as directed by a doctor. If bothersome dryness or peeling occurs, reduce application to once a day or every other day.