Brand from South Korea: TIRTIR. Benefits:A serum contains 20% Niacinamide that removes unwanted blemishes and evens out the skin tone.Niacinamde 20%, Alpha Arbutin 2%, and Glutathione offer transparent and sparkling skin, while Retinol 500IU and Zinc PCA create younger-looking skin with effective anti-aging care and calm-only irritation on skin with intense soothing care.By supplying moisturizing ingredients and components that can improve damaged skin, strengthen the skin barrier, and make the skin brighter and more elastic.Seven layers pore improvement test, seven layers pore improvement test, and three layers skin brightening test proved.How to use:Lightly shake up the serum and apply a moderate amount on the skin and pat to aid absorption.Notice: Please note that the expiry date is listed in DD/MM/YY format.