Salicylic acid is a beta hydroxy acid that penetrates deep into pores to dissolve sebum and dead skin cells, making it ideal for congestion-prone and acne-prone skin types. This lightweight serum delivers a potent concentration in a compact 25ml format, allowing for targeted application to problem areas. Regular use helps minimize pore appearance, reduce breakouts, and promote clearer skin texture. Best applied to clean, dry skin before moisturizer. Start with 2-3 times weekly if new to salicylic acid, gradually increasing frequency as your skin builds tolerance. Suitable for oily and combination skin.