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 Serum 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 the serum well before use. Apply 3 to 5 drops of serum, distributing evenly between fingers. Gently pat the serum all over face, neck and décolletage. Use alone, mixed with serum, or apply directly to blemishes for a targeted treatment. 0.67 oz. Paraben-free; paraffin-free; silicone-free