[ Serum] This product contains 19 kinds of extracts from 17 kinds of plants including extracts from sweet tea vine sudachi yuzu incense* & sap of mountain grape. A wealth of useful plant ingredients that address various skin concerns penetrate into the keratinized skin layer to soften & condition stiff skin. It is an oil-free type with a fresh texture. Complex medicinal herb-like aroma with sweetness & bitterness from multiple plants. * Yuzu Kou: A type of citrus fruit that is a natural hybrid of yuzu & orange.