Popular product from Otsuka Pharmaceutical: "Sakurae Double Action Serum 1ml" A total of 16 packets. The first double whitening serum in Japan that suppresses and expels melanin with a single bottle. #MedicinalWhiteningSerum #Serum #Skincare #SkinCare #BeautifulSkin #Cosmetics #ThankYouForSharing Thank you very much.