Real Vitamin Brightening for Radiant Skin.Highly concentrated Vitamin C is delivered to the skin for transparent and radiant skin and causes immediate even-toned complexion.4 STEP Brightening Effect of Vitamins.The brightening active ingredient triple blocks the cause of melanin pigmentation and the vitamins of Vitamin Tree fermented extract provides a fundamental and intensive brightening care.Visible vitamin effect, Vitamin C Crystal.30 years of Coreana technology to encapsulate vitamin derivatives in crystals to strengthen moisture barrier and radiance.