MT METATRON MT Crystal Shot 20ml Serum A targeted serum designed to focus intensively on areas of concern. After using MT Prominent Essence, apply an appropriate amount to the desired areas and gently blend until the serum becomes transparent and fully absorbed. Line: White Care Aims for clear, bright-looking skin with a translucent glow from within. How to Use: This serum can also be mixed with MT Prominent Essence or any lotion from the MT Metatron series and applied to the entire face.