Brand from South Korea: Dr. Bio. Benefits:This brightening serum features a complex blend of ingredients that infuses the skin with vitality and radiance.The LACTO-PDRN ingredient, derived from Lactobacillus, is about 8 times smaller in molecular size than salmon-derived PDRN, enabling quick delivery deep into the skin.Infused with Glutathione, it helps brighten skin tone while alleviating freckles and blemishes.The thick, condensed red jelly texture absorbs quickly without stickiness, providing deep nourishment and hydration.How to use:Dispense an appropriate amount during the serum step and gently apply it all over the face, allowing for full absorption.