What it is: A liquid booster formulated to help reduce blemishes while smoothing and hydrating skin.What it does: The 3 Phase Anti-Blemish Booster was formulated by Dr. Yannis Alexandrides to target and prevent blemishes, inflammation and post blemish pigmentation without drying the skin. Suitable for blemish prone skin, the booster's main ingredient, salicylic acid, gently exfoliates skin to clear clogged pores and help prevent future breakouts.Key ingredients:- Salicylic acid: gently exfoliates, unclogs pores and prevents breakouts- Kojic acid: anti-scarring, anti-inflammatory ingredient that helps alleviate redness and prevent new scars from forming- Colloidal sulphur is an antibacterial that helps prevent breakouts and blemishesHow to use: Shake well before use. Apply 3 to 5 drops of serum, distributing evenly between fingers. Gently pat the serum all over face, neck and d?olletage. Use alone, mixed with serum, or apply directly to blemishes for a targeted treatment. 0.67 oz. Paraben-free; paraffin-free; silicone-free