The Hanyul brand Brown Pine Leaves Optimizing Serum acts a booster serum. The serum is enriched with energizing and fermented brown pine needles that retain the clearness and balance of the skin. The skin care product also maximizes the benefit of application of any skin care product used after the serum. The pine leaves, pine mushroom, other botanical extracts like cocoa extract, adenosine and niacinamide also have moisturizing, anti-aging and antioxidant properties. For best results, apply the serum twice a day in the morning and at night after using the regular face wash. Pump the skin care product twice or thrice on to your palm and apply on the face. Pat the applied areas on the skin gently till it is absorbed uniformly. The Brown pine leaves optimizing serum comes in a plastic frosty gold and brown classy looking 60 ml plastic bottle with a pumping mechanism and a frosty brown pull open cap.