Brand from Japan: OZIO. This introductory serum specializes in addressing pore concerns. It contains three types of raw vitamin C*1 and three types of vitamin C derivatives to thoroughly address pore concerns.It also contains artichoke extract and bakuchiol to leave skin hydrated and translucent.Shaking the container generates nanobubbles, much smaller than pores, that aid in the penetration of beauty ingredients*2.*1 Contains skin-conditioning ingredients. This refers to pure vitamin C itself, as well as derivatized vitamin C that reaches the stratum corneum without being broken down.(3-O-ethyl ascorbic acid, ascorbic acid, ascorbyl tetrahexyldecanoate)*2 To the stratum corneum.How to use:Can be used in the morning and evening.Shake the bottle well until foam forms before use.After washing your face, take an appropriate amount (2-3 pumps) in your hand and gently massage into your skin.Then, tone your skin with lotion or cream.