Salmon Oil, Betaine and Glycerin: star ingredients of one of the best cosmetics in Korea

The dual-function serum from Korea has been recently popular these days. From its packet, we can see that it contains salmon oil. However, do we really know it? Is there any other star ingredient in it? What amazing effects do they have? It is known that it contains salmon oil. Well, John is willing to explore the secret of the hot cosmetic this time. Welcome to watch our fabulous video.