Brand from Japan: iskinclock. Focus C is an innovative bi-phase Vitamin C formulation mixed with Oil and Water-based serum.The oil-soluble Vitamin C derivatives Ascorbyl Tetraisopalmitate is stable antioxidize agent which improves skin brightness, induce collagen synthesis and reduce sign of ageing.Combining with water based serum of hydrolyzed collagen, matrixyl 3000 , ferulic acid and oligopeptides leave skin toned, moisturized and plumped.How to use:Shake well before use.Apply half dropper serum to the entire face.Avoid eye area.Gently apply Focus C serum on to your face with outward direction from center until it is completed absorbed by your skin.