Hi, this Lisa from Wishcompany, Korea. You might have known that the ingredient of each Vitamin has its own function...

Hi, this is Lisa in Global team, Wishcompany Inc. OST Vitamin serum won the best selling item in Qoo10, Singapore! OST vitamin...

Product Info. Features Detail Effectiveness Ingredients Product name : OST Original Pure Vitamin C20 Serum Volume...

C20, The Best Vitamin C Serum you’ve ever heard C20 is the new name of OST. 100% Pure vitamin for remarkable, healthy...