​Cos De BAHA Alcohol Free Acne Treatment Intensive Facial Serum (AC) is a potent 30ml serum designed to combat acne and promote clearer skin. Formulated with 5% azelaic acid, it effectively reduces blemishes and fades dark spots. The 10% niacinamide content helps even out skin tone and minimize redness. Salicylic acid and retinol work together to exfoliate and unclog pores, preventing future breakouts. Tea tree oil adds natural antibacterial properties, while hyaluronic acid ensures hydration. This alcohol-free serum is suitable for all skin types, including sensitive skin. Its lightweight, non-greasy texture absorbs quickly, making it ideal for daily use. For optimal results, apply a few drops to cleansed skin before moisturizing. Experience clearer, smoother, and more radiant skin with consistent use.​