Lightweight soothing gel serum is clinically proven to reduce overall blemishes in just 1 week. Salicylic Acid combines with Lysophosphatidic, Hydroxydecanoic, Sebacic, and Glycolic Acids in Penta-Acid Technology to clear skin of blemish causing bacteria, oiliness and blackheads while minimising dryness and irritation. Achieve a clear, healthy-looking complexion with Murad Outsmart Blemish Clarifying Treatment; a skin-refining formula with a natural citrus fragrance of Lemon, Lime, Tangerine and Lavender. Fortified with innovative Penta-Acid Technology that combines five powerful acids, including Glycolic and Salicylic, the soothing gel serum has been clinically proven to minimise the appearance of blemishes. Absorbs quickly to target blackheads and oiliness, whilst calming dryness and irritation to leave skin smooth and comfortable with reduced shine. Ideal for oily skin.